68072152 has 16 divisors (see below), whose sum is σ = 127865160. Its totient is φ = 33974784.

The previous prime is 68072143. The next prime is 68072153. The reversal of 68072152 is 25127086.

It is a super-2 number, since 2×68072152² = 9267635755822208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68072153) 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, 2758 + ... + 11989.

Almost surely, 2^68072152 is an apocalyptic number.

It is an amenable number.

68072152 is a deficient number, since it is larger than the sum of its proper divisors (59793008).

68072152 is a wasteful number, since it uses less digits than its factorization.

68072152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330 (or 15326 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 68072152 is about 8250.5849489597. The cubic root of 68072152 is about 408.3098217014.

The spelling of 68072152 in words is "sixty-eight million, seventy-two thousand, one hundred fifty-two".