69554940 has 96 divisors (see below), whose sum is σ = 239715840. Its totient is φ = 14674176.

The previous prime is 69554929. The next prime is 69554957. The reversal of 69554940 is 4945596.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 69554892 and 69554901.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 910 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (2497040).

Almost surely, 2^69554940 is an apocalyptic number.

69554940 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 69554940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119857920).

69554940 is an abundant number, since it is smaller than the sum of its proper divisors (170160900).

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

69554940 is a wasteful number, since it uses less digits than its factorization.

69554940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12771 (or 12769 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 69554940 is about 8339.9604315608. The cubic root of 69554940 is about 411.2532345776.

The spelling of 69554940 in words is "sixty-nine million, five hundred fifty-four thousand, nine hundred forty".