69690000 has 200 divisors, whose sum is σ = 237074112. Its totient is φ = 17600000.

The previous prime is 69689989. The next prime is 69690001. The reversal of 69690000 is 9696.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×69690000² = 9713392200000000, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 69690000.

It is not an unprimeable number, because it can be changed into a prime (69690001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 689950 + ... + 690050.

Almost surely, 2^69690000 is an apocalyptic number.

69690000 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 69690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118537056).

69690000 is an abundant number, since it is smaller than the sum of its proper divisors (167384112).

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

69690000 is a wasteful number, since it uses less digits than its factorization.

69690000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 69690000 is about 8348.0536653761. The cubic root of 69690000 is about 411.5192494687.

Adding to 69690000 its reverse (9696), we get a palindrome (69699696).

It can be divided in two parts, 69 and 690000, that multiplied together give a square (47610000 = 6900²).

The spelling of 69690000 in words is "sixty-nine million, six hundred ninety thousand".