68972580 has 48 divisors (see below), whose sum is σ = 214583040. Its totient is φ = 18392544.

The previous prime is 68972569. The next prime is 68972623. The reversal of 68972580 is 8527986.

68972580 is a `hidden beast` number, since 68 + 9 + 7 + 2 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 63324 + ... + 64403.

It is an arithmetic number, because the mean of its divisors is an integer number (4470480).

Almost surely, 2^68972580 is an apocalyptic number.

68972580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68972580 is an abundant number, since it is smaller than the sum of its proper divisors (145610460).

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

68972580 is a wasteful number, since it uses less digits than its factorization.

68972580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127745 (or 127737 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 68972580 is about 8304.9732088671. The cubic root of 68972580 is about 410.1022548839.

The spelling of 68972580 in words is "sixty-eight million, nine hundred seventy-two thousand, five hundred eighty".