100439072 has 24 divisors (see below), whose sum is σ = 198843372. Its totient is φ = 49939200.

The previous prime is 100439057. The next prime is 100439083. The reversal of 100439072 is 270934001.

It can be written as a sum of positive squares in 2 ways, for example, as 99281296 + 1157776 = 9964^2 + 1076^2 .

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, 2879 + ... + 14462.

Almost surely, 2^100439072 is an apocalyptic number.

It is an amenable number.

100439072 is a deficient number, since it is larger than the sum of its proper divisors (98404300).

100439072 is a wasteful number, since it uses less digits than its factorization.

100439072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532 (or 17524 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 100439072 is about 10021.9295547315. The cubic root of 100439072 is about 464.8372220935.

The spelling of 100439072 in words is "one hundred million, four hundred thirty-nine thousand, seventy-two".