70642700 has 18 divisors (see below), whose sum is σ = 153294876. Its totient is φ = 28257040.

The previous prime is 70642699. The next prime is 70642709. The reversal of 70642700 is 724607.

It is a self number, because there is not a number n which added to its sum of digits gives 70642700.

It is not an unprimeable number, because it can be changed into a prime (70642709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353114 + ... + 353313.

It is an arithmetic number, because the mean of its divisors is an integer number (8516382).

Almost surely, 2^70642700 is an apocalyptic number.

It is an amenable number.

70642700 is an abundant number, since it is smaller than the sum of its proper divisors (82652176).

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

70642700 is a wasteful number, since it uses less digits than its factorization.

70642700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706441 (or 706434 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 70642700 is about 8404.9211775007. The cubic root of 70642700 is about 413.3859988968.

The spelling of 70642700 in words is "seventy million, six hundred forty-two thousand, seven hundred".