115638672 has 40 divisors (see below), whose sum is σ = 299119744. Its totient is φ = 38496384.

The previous prime is 115638667. The next prime is 115638703. The reversal of 115638672 is 276836511.

It is a self number, because there is not a number n which added to its sum of digits gives 115638672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67458 + ... + 69150.

Almost surely, 2^115638672 is an apocalyptic number.

115638672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115638672 is an abundant number, since it is smaller than the sum of its proper divisors (183481072).

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

115638672 is a wasteful number, since it uses less digits than its factorization.

115638672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127 (or 3121 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 115638672 is about 10753.5423000981. The cubic root of 115638672 is about 487.1929911821.

The spelling of 115638672 in words is "one hundred fifteen million, six hundred thirty-eight thousand, six hundred seventy-two".