99634975 has 12 divisors (see below), whose sum is σ = 134779320. Its totient is φ = 72461600.

The previous prime is 99634967. The next prime is 99634991. The reversal of 99634975 is 57943699.

It is not a de Polignac number, because 99634975 - 2³ = 99634967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180880 + ... + 181429.

It is an arithmetic number, because the mean of its divisors is an integer number (11231610).

Almost surely, 2^99634975 is an apocalyptic number.

99634975 is a deficient number, since it is larger than the sum of its proper divisors (35144345).

99634975 is a wasteful number, since it uses less digits than its factorization.

99634975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362330 (or 362325 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The square root of 99634975 is about 9981.7320641259. The cubic root of 99634975 is about 463.5934294648.

The spelling of 99634975 in words is "ninety-nine million, six hundred thirty-four thousand, nine hundred seventy-five".