99973736 has 32 divisors (see below), whose sum is σ = 199117440. Its totient is φ = 46894848.

The previous prime is 99973733. The next prime is 99973781. The reversal of 99973736 is 63737999.

It is not an unprimeable number, because it can be changed into a prime (99973733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48911 + ... + 50913.

It is an arithmetic number, because the mean of its divisors is an integer number (6222420).

Almost surely, 2^99973736 is an apocalyptic number.

It is an amenable number.

99973736 is a deficient number, since it is larger than the sum of its proper divisors (99143704).

99973736 is a wasteful number, since it uses less digits than its factorization.

99973736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2389 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 53.

The square root of 99973736 is about 9998.6867137640. The cubic root of 99973736 is about 464.1182442402.

The spelling of 99973736 in words is "ninety-nine million, nine hundred seventy-three thousand, seven hundred thirty-six".