69406928 has 20 divisors (see below), whose sum is σ = 134619360. Its totient is φ = 34666464.

The previous prime is 69406927. The next prime is 69406933. The reversal of 69406928 is 82960496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69406927) 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, 19253 + ... + 22571.

It is an arithmetic number, because the mean of its divisors is an integer number (6730968).

Almost surely, 2^69406928 is an apocalyptic number.

It is an amenable number.

69406928 is a deficient number, since it is larger than the sum of its proper divisors (65212432).

69406928 is a wasteful number, since it uses less digits than its factorization.

69406928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634 (or 4628 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 69406928 is about 8331.0820425681. The cubic root of 69406928 is about 410.9613135819.

The spelling of 69406928 in words is "sixty-nine million, four hundred six thousand, nine hundred twenty-eight".