68660937 has 48 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 42128640.

The previous prime is 68660923. The next prime is 68660941. The reversal of 68660937 is 73906686.

68660937 is a `hidden beast` number, since 6 + 8 + 6 + 609 + 37 = 666.

It is not a de Polignac number, because 68660937 - 2²⁰ = 67612361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68660892 and 68660901.

It is not an unprimeable number, because it can be changed into a prime (68660987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 641638 + ... + 641744.

It is an arithmetic number, because the mean of its divisors is an integer number (2240784).

Almost surely, 2^68660937 is an apocalyptic number.

It is an amenable number.

68660937 is a deficient number, since it is larger than the sum of its proper divisors (38896695).

68660937 is a wasteful number, since it uses less digits than its factorization.

68660937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 68660937 is about 8286.1895344000. The cubic root of 68660937 is about 409.4836589525.

The spelling of 68660937 in words is "sixty-eight million, six hundred sixty thousand, nine hundred thirty-seven".