68670436 has 24 divisors (see below), whose sum is σ = 121968000. Its totient is φ = 33826464.

The previous prime is 68670403. The next prime is 68670461. The reversal of 68670436 is 63407686.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103875 + ... + 104533.

It is an arithmetic number, because the mean of its divisors is an integer number (5082000).

Almost surely, 2^68670436 is an apocalyptic number.

It is an amenable number.

68670436 is a deficient number, since it is larger than the sum of its proper divisors (53297564).

68670436 is a wasteful number, since it uses less digits than its factorization.

68670436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 68670436 is about 8286.7626972178. The cubic root of 68670436 is about 409.5025416247.

Subtracting from 68670436 its product of nonzero digits (145152), we obtain a square (68525284 = 8278²).

The spelling of 68670436 in words is "sixty-eight million, six hundred seventy thousand, four hundred thirty-six".