69404928 has 36 divisors (see below), whose sum is σ = 184720368. Its totient is φ = 23134720.

The previous prime is 69404927. The next prime is 69404941. The reversal of 69404928 is 82940496.

It is a self number, because there is not a number n which added to its sum of digits gives 69404928.

It is not an unprimeable number, because it can be changed into a prime (69404927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44418 + ... + 45953.

Almost surely, 2^69404928 is an apocalyptic number.

It is an amenable number.

69404928 is an abundant number, since it is smaller than the sum of its proper divisors (115315440).

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

69404928 is an equidigital number, since it uses as much as digits as its factorization.

69404928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90390 (or 90376 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 69404928 is about 8330.9620092760. The cubic root of 69404928 is about 410.9573661829.

The spelling of 69404928 in words is "sixty-nine million, four hundred four thousand, nine hundred twenty-eight".