69428032 has 28 divisors (see below), whose sum is σ = 138314176. Its totient is φ = 34577280.

The previous prime is 69428011. The next prime is 69428063. The reversal of 69428032 is 23082496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15343 + ... + 19345.

It is an arithmetic number, because the mean of its divisors is an integer number (4939792).

Almost surely, 2^69428032 is an apocalyptic number.

It is an amenable number.

69428032 is a deficient number, since it is larger than the sum of its proper divisors (68886144).

69428032 is a wasteful number, since it uses less digits than its factorization.

69428032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286 (or 4276 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 69428032 is about 8332.3485284762. The cubic root of 69428032 is about 411.0029619155.

The spelling of 69428032 in words is "sixty-nine million, four hundred twenty-eight thousand, thirty-two".