68712052 has 6 divisors (see below), whose sum is σ = 120246098. Its totient is φ = 34356024.

The previous prime is 68712019. The next prime is 68712101. The reversal of 68712052 is 25021786.

It can be written as a sum of positive squares in only one way, i.e., 65869456 + 2842596 = 8116^2 + 1686^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8589003 + ... + 8589010.

Almost surely, 2^68712052 is an apocalyptic number.

It is an amenable number.

68712052 is a deficient number, since it is larger than the sum of its proper divisors (51534046).

68712052 is a wasteful number, since it uses less digits than its factorization.

68712052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17178017 (or 17178015 counting only the distinct ones).

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

The square root of 68712052 is about 8289.2733095248. The cubic root of 68712052 is about 409.5852478436.

The spelling of 68712052 in words is "sixty-eight million, seven hundred twelve thousand, fifty-two".