99100725 has 48 divisors (see below), whose sum is σ = 169221312. Its totient is φ = 51151360.

The previous prime is 99100717. The next prime is 99100733. The reversal of 99100725 is 52700199.

It is an interprime number because it is at equal distance from previous prime (99100717) and next prime (99100733).

It is not a de Polignac number, because 99100725 - 2³ = 99100717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 425209 + ... + 425441.

It is an arithmetic number, because the mean of its divisors is an integer number (3525444).

Almost surely, 2^99100725 is an apocalyptic number.

It is an amenable number.

99100725 is a deficient number, since it is larger than the sum of its proper divisors (70120587).

99100725 is a wasteful number, since it uses less digits than its factorization.

99100725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 99100725 is about 9954.9347059637. The cubic root of 99100725 is about 462.7633367637.

The spelling of 99100725 in words is "ninety-nine million, one hundred thousand, seven hundred twenty-five".