68745672 has 48 divisors (see below), whose sum is σ = 193087440. Its totient is φ = 22914576.

The previous prime is 68745661. The next prime is 68745683. The reversal of 68745672 is 27654786.

68745672 is a `hidden beast` number, since 6 + 87 + 4 + 567 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (68745661) and next prime (68745683).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15738 + ... + 19625.

It is an arithmetic number, because the mean of its divisors is an integer number (4022655).

Almost surely, 2^68745672 is an apocalyptic number.

It is an amenable number.

68745672 is an abundant number, since it is smaller than the sum of its proper divisors (124341768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68745672 is a wasteful number, since it uses less digits than its factorization.

68745672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35384 (or 35368 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 68745672 is about 8291.3009835610. The cubic root of 68745672 is about 409.6520387018.

The spelling of 68745672 in words is "sixty-eight million, seven hundred forty-five thousand, six hundred seventy-two".