70847680 has 28 divisors (see below), whose sum is σ = 168706800. Its totient is φ = 28338944.

The previous prime is 70847671. The next prime is 70847717. The reversal of 70847680 is 8674807.

It is a super-2 number, since 2×70847680² = 10038787522764800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 110380 + ... + 111019.

Almost surely, 2^70847680 is an apocalyptic number.

It is an amenable number.

70847680 is an abundant number, since it is smaller than the sum of its proper divisors (97859120).

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

70847680 is a wasteful number, since it uses less digits than its factorization.

70847680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221416 (or 221406 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 70847680 is about 8417.1063911537. The cubic root of 70847680 is about 413.7854458608.

The spelling of 70847680 in words is "seventy million, eight hundred forty-seven thousand, six hundred eighty".