69864976 has 20 divisors (see below), whose sum is σ = 142488400. Its totient is φ = 33093792.

The previous prime is 69864959. The next prime is 69864989. The reversal of 69864976 is 67946896.

It is a super-2 number, since 2×69864976² = 9762229742961152, which contains 22 as substring.

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, 114606 + ... + 115213.

It is an arithmetic number, because the mean of its divisors is an integer number (7124420).

Almost surely, 2^69864976 is an apocalyptic number.

It is an amenable number.

69864976 is an abundant number, since it is smaller than the sum of its proper divisors (72623424).

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

69864976 is a wasteful number, since it uses less digits than its factorization.

69864976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229846 (or 229840 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 69864976 is about 8358.5271429840. The cubic root of 69864976 is about 411.8633725494.

The spelling of 69864976 in words is "sixty-nine million, eight hundred sixty-four thousand, nine hundred seventy-six".