68611472 has 10 divisors (see below), whose sum is σ = 132934758. Its totient is φ = 34305728.

The previous prime is 68611469. The next prime is 68611511. The reversal of 68611472 is 27411686.

It can be written as a sum of positive squares in only one way, i.e., 57214096 + 11397376 = 7564^2 + 3376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2144093 + ... + 2144124.

Almost surely, 2^68611472 is an apocalyptic number.

It is an amenable number.

68611472 is a deficient number, since it is larger than the sum of its proper divisors (64323286).

68611472 is a wasteful number, since it uses less digits than its factorization.

68611472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288225 (or 4288219 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 68611472 is about 8283.2042109319. The cubic root of 68611472 is about 409.3853013510.

The spelling of 68611472 in words is "sixty-eight million, six hundred eleven thousand, four hundred seventy-two".