100689372 has 48 divisors (see below), whose sum is σ = 298341120. Its totient is φ = 28768176.

The previous prime is 100689361. The next prime is 100689389. The reversal of 100689372 is 273986001.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65838 + ... + 67349.

It is an arithmetic number, because the mean of its divisors is an integer number (6215440).

Almost surely, 2^100689372 is an apocalyptic number.

100689372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100689372 is an abundant number, since it is smaller than the sum of its proper divisors (197651748).

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

100689372 is a wasteful number, since it uses less digits than its factorization.

100689372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133207 (or 133199 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 100689372 is about 10034.4093996607. The cubic root of 100689372 is about 465.2230355645.

The spelling of 100689372 in words is "one hundred million, six hundred eighty-nine thousand, three hundred seventy-two".