70686680 has 32 divisors (see below), whose sum is σ = 168402240. Its totient is φ = 26611200.

The previous prime is 70686667. The next prime is 70686689. The reversal of 70686680 is 8668607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70686689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51296 + ... + 52655.

It is an arithmetic number, because the mean of its divisors is an integer number (5262570).

Almost surely, 2^70686680 is an apocalyptic number.

It is an amenable number.

70686680 is an abundant number, since it is smaller than the sum of its proper divisors (97715560).

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

70686680 is a wasteful number, since it uses less digits than its factorization.

70686680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103979 (or 103975 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 70686680 is about 8407.5370947740. The cubic root of 70686680 is about 413.4717682904.

The spelling of 70686680 in words is "seventy million, six hundred eighty-six thousand, six hundred eighty".