68618392 has 16 divisors (see below), whose sum is σ = 136227960. Its totient is φ = 32290944.

The previous prime is 68618383. The next prime is 68618399. The reversal of 68618392 is 29381686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68618399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252138 + ... + 252409.

Almost surely, 2^68618392 is an apocalyptic number.

It is an amenable number.

68618392 is a deficient number, since it is larger than the sum of its proper divisors (67609568).

68618392 is a wasteful number, since it uses less digits than its factorization.

68618392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504570 (or 504566 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 68618392 is about 8283.6219131489. The cubic root of 68618392 is about 409.3990641177.

The spelling of 68618392 in words is "sixty-eight million, six hundred eighteen thousand, three hundred ninety-two".