68057672 has 8 divisors (see below), whose sum is σ = 127608150. Its totient is φ = 34028832.

The previous prime is 68057657. The next prime is 68057699. The reversal of 68057672 is 27675086.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56942116 + 11115556 = 7546^2 + 3334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4253597 + ... + 4253612.

Almost surely, 2^68057672 is an apocalyptic number.

It is an amenable number.

68057672 is a deficient number, since it is larger than the sum of its proper divisors (59550478).

68057672 is a wasteful number, since it uses less digits than its factorization.

68057672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507215 (or 8507211 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 68057672 is about 8249.7073887502. The cubic root of 68057672 is about 408.2808683761.

The spelling of 68057672 in words is "sixty-eight million, fifty-seven thousand, six hundred seventy-two".