70684864 has 28 divisors (see below), whose sum is σ = 147650200. Its totient is φ = 33481728.

The previous prime is 70684841. The next prime is 70684879. The reversal of 70684864 is 46848607.

It is a self number, because there is not a number n which added to its sum of digits gives 70684864.

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, 27849 + ... + 30280.

Almost surely, 2^70684864 is an apocalyptic number.

It is an amenable number.

70684864 is an abundant number, since it is smaller than the sum of its proper divisors (76965336).

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

70684864 is a wasteful number, since it uses less digits than its factorization.

70684864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58160 (or 58150 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 70684864 is about 8407.4290957462. The cubic root of 70684864 is about 413.4682274481.

The spelling of 70684864 in words is "seventy million, six hundred eighty-four thousand, eight hundred sixty-four".