68715580 has 12 divisors (see below), whose sum is σ = 144302760. Its totient is φ = 27486224.

The previous prime is 68715553. The next prime is 68715601. The reversal of 68715580 is 8551786.

It is a congruent number.

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, 1717870 + ... + 1717909.

It is an arithmetic number, because the mean of its divisors is an integer number (12025230).

Almost surely, 2^68715580 is an apocalyptic number.

It is an amenable number.

68715580 is an abundant number, since it is smaller than the sum of its proper divisors (75587180).

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

68715580 is a wasteful number, since it uses less digits than its factorization.

68715580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435788 (or 3435786 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 68715580 is about 8289.4861119372. The cubic root of 68715580 is about 409.5922577348.

The spelling of 68715580 in words is "sixty-eight million, seven hundred fifteen thousand, five hundred eighty".