100725580 has 24 divisors (see below), whose sum is σ = 211897728. Its totient is φ = 40219008.

The previous prime is 100725577. The next prime is 100725587. The reversal of 100725580 is 85527001.

It is not an unprimeable number, because it can be changed into a prime (100725587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7992 + ... + 16288.

It is an arithmetic number, because the mean of its divisors is an integer number (8829072).

Almost surely, 2^100725580 is an apocalyptic number.

100725580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100725580 is an abundant number, since it is smaller than the sum of its proper divisors (111172148).

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

100725580 is a wasteful number, since it uses less digits than its factorization.

100725580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913 (or 8911 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 100725580 is about 10036.2134293766. The cubic root of 100725580 is about 465.2787937729.

The spelling of 100725580 in words is "one hundred million, seven hundred twenty-five thousand, five hundred eighty".