68264624 has 20 divisors (see below), whose sum is σ = 133276440. Its totient is φ = 33870720.

The previous prime is 68264617. The next prime is 68264681. The reversal of 68264624 is 42646286.

It is a super-2 number, since 2×68264624² = 9320117779722752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 14189 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (6663822).

Almost surely, 2^68264624 is an apocalyptic number.

It is an amenable number.

68264624 is a deficient number, since it is larger than the sum of its proper divisors (65011816).

68264624 is a wasteful number, since it uses less digits than its factorization.

68264624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32708 (or 32702 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 68264624 is about 8262.2408582660. The cubic root of 68264624 is about 408.6942875621.

The spelling of 68264624 in words is "sixty-eight million, two hundred sixty-four thousand, six hundred twenty-four".