68156372 has 12 divisors (see below), whose sum is σ = 119366016. Its totient is φ = 34051800.

The previous prime is 68156359. The next prime is 68156393. The reversal of 68156372 is 27365186.

It is a congruent number.

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, 68 + ... + 11675.

It is an arithmetic number, because the mean of its divisors is an integer number (9947168).

Almost surely, 2^68156372 is an apocalyptic number.

It is an amenable number.

68156372 is a deficient number, since it is larger than the sum of its proper divisors (51209644).

68156372 is a wasteful number, since it uses less digits than its factorization.

68156372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198 (or 13196 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 68156372 is about 8255.6872518283. The cubic root of 68156372 is about 408.4781415414.

The spelling of 68156372 in words is "sixty-eight million, one hundred fifty-six thousand, three hundred seventy-two".