687070416 has 20 divisors (see below), whose sum is σ = 1774932032. Its totient is φ = 229023456.

The previous prime is 687070409. The next prime is 687070441. The reversal of 687070416 is 614070786.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 7156936 + ... + 7157031.

Almost surely, 2^687070416 is an apocalyptic number.

It is an amenable number.

687070416 is an abundant number, since it is smaller than the sum of its proper divisors (1087861616).

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

687070416 is a wasteful number, since it uses less digits than its factorization.

687070416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14313978 (or 14313972 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 687070416 is about 26212.0280787275. The cubic root of 687070416 is about 882.4032175106.

The spelling of 687070416 in words is "six hundred eighty-seven million, seventy thousand, four hundred sixteen".