99619712 has 32 divisors (see below), whose sum is σ = 198930600. Its totient is φ = 49692160.

The previous prime is 99619703. The next prime is 99619753. The reversal of 99619712 is 21791699.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 83762 + ... + 84942.

Almost surely, 2^99619712 is an apocalyptic number.

It is an amenable number.

99619712 is a deficient number, since it is larger than the sum of its proper divisors (99310888).

99619712 is a wasteful number, since it uses less digits than its factorization.

99619712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854 (or 1842 counting only the distinct ones).

The product of its digits is 61236, while the sum is 44.

The square root of 99619712 is about 9980.9674881747. The cubic root of 99619712 is about 463.5697557570.

The spelling of 99619712 in words is "ninety-nine million, six hundred nineteen thousand, seven hundred twelve".