68358272 has 16 divisors (see below), whose sum is σ = 136182750. Its totient is φ = 34179072.

The previous prime is 68358263. The next prime is 68358293. The reversal of 68358272 is 27285386.

It can be written as a sum of positive squares in only one way, i.e., 61089856 + 7268416 = 7816^2 + 2696^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266897 + ... + 267152.

Almost surely, 2^68358272 is an apocalyptic number.

It is an amenable number.

68358272 is a deficient number, since it is larger than the sum of its proper divisors (67824478).

68358272 is an equidigital number, since it uses as much as digits as its factorization.

68358272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534063 (or 534051 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 68358272 is about 8267.9061436376. The cubic root of 68358272 is about 408.8810896083.

The spelling of 68358272 in words is "sixty-eight million, three hundred fifty-eight thousand, two hundred seventy-two".