68057632 has 12 divisors (see below), whose sum is σ = 133988526. Its totient is φ = 34028800.

The previous prime is 68057623. The next prime is 68057651. The reversal of 68057632 is 23675086.

It can be written as a sum of positive squares in only one way, i.e., 65221776 + 2835856 = 8076^2 + 1684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68057591 and 68057600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063369 + ... + 1063432.

Almost surely, 2^68057632 is an apocalyptic number.

It is an amenable number.

68057632 is a deficient number, since it is larger than the sum of its proper divisors (65930894).

68057632 is a wasteful number, since it uses less digits than its factorization.

68057632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126811 (or 2126803 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 68057632 is about 8249.7049644215. The cubic root of 68057632 is about 408.2807883889.

The spelling of 68057632 in words is "sixty-eight million, fifty-seven thousand, six hundred thirty-two".