69942000 has 80 divisors (see below), whose sum is σ = 225512352. Its totient is φ = 18649600.

The previous prime is 69941999. The next prime is 69942001. The reversal of 69942000 is 24996.

It is an interprime number because it is at equal distance from previous prime (69941999) and next prime (69942001).

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69942001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172 + ... + 11828.

Almost surely, 2^69942000 is an apocalyptic number.

69942000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69942000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112756176).

69942000 is an abundant number, since it is smaller than the sum of its proper divisors (155570352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69942000 is a wasteful number, since it uses less digits than its factorization.

69942000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11683 (or 11667 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 69942000 is about 8363.1333840852. The cubic root of 69942000 is about 412.0146725538.

Adding to 69942000 its reverse (24996), we get a palindrome (69966996).

The spelling of 69942000 in words is "sixty-nine million, nine hundred forty-two thousand".