68720264 has 32 divisors (see below), whose sum is σ = 138952800. Its totient is φ = 31754880.

The previous prime is 68720263. The next prime is 68720269. The reversal of 68720264 is 46202786.

It is not an unprimeable number, because it can be changed into a prime (68720263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719 + ... + 11745.

It is an arithmetic number, because the mean of its divisors is an integer number (4342275).

Almost surely, 2^68720264 is an apocalyptic number.

It is an amenable number.

68720264 is an abundant number, since it is smaller than the sum of its proper divisors (70232536).

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

68720264 is a wasteful number, since it uses less digits than its factorization.

68720264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11093 (or 11089 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 68720264 is about 8289.7686336833. The cubic root of 68720264 is about 409.6015641471.

The spelling of 68720264 in words is "sixty-eight million, seven hundred twenty thousand, two hundred sixty-four".