70909704 has 48 divisors (see below), whose sum is σ = 192448620. Its totient is φ = 23587200.

The previous prime is 70909661. The next prime is 70909711. The reversal of 70909704 is 40790907.

It can be written as a sum of positive squares in 2 ways, for example, as 64160100 + 6749604 = 8010^2 + 2598^2 .

It is a super-2 number, since 2×70909704² = 10056372242735232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53854 + ... + 55154.

Almost surely, 2^70909704 is an apocalyptic number.

It is an amenable number.

70909704 is an abundant number, since it is smaller than the sum of its proper divisors (121538916).

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

70909704 is a wasteful number, since it uses less digits than its factorization.

70909704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 70909704 is about 8420.7899866936. The cubic root of 70909704 is about 413.9061609062.

The spelling of 70909704 in words is "seventy million, nine hundred nine thousand, seven hundred four".