68802720 has 96 divisors (see below), whose sum is σ = 247701888. Its totient is φ = 15725568.

The previous prime is 68802659. The next prime is 68802731. The reversal of 68802720 is 2720886.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6879 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (2580228).

Almost surely, 2^68802720 is an apocalyptic number.

68802720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68802720 is an abundant number, since it is smaller than the sum of its proper divisors (178899168).

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

68802720 is a wasteful number, since it uses less digits than its factorization.

68802720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20502 (or 20494 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 68802720 is about 8294.7405022701. The cubic root of 68802720 is about 409.7653227695.

The spelling of 68802720 in words is "sixty-eight million, eight hundred two thousand, seven hundred twenty".