68707272 has 16 divisors (see below), whose sum is σ = 171768240. Its totient is φ = 22902416.

The previous prime is 68707241. The next prime is 68707291. The reversal of 68707272 is 27270786.

It is a self number, because there is not a number n which added to its sum of digits gives 68707272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431378 + ... + 1431425.

It is an arithmetic number, because the mean of its divisors is an integer number (10735515).

Almost surely, 2^68707272 is an apocalyptic number.

It is an amenable number.

68707272 is an abundant number, since it is smaller than the sum of its proper divisors (103060968).

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

68707272 is a wasteful number, since it uses less digits than its factorization.

68707272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862812 (or 2862808 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 68707272 is about 8288.9849800805. The cubic root of 68707272 is about 409.5757499325.

The spelling of 68707272 in words is "sixty-eight million, seven hundred seven thousand, two hundred seventy-two".