99762372 has 18 divisors (see below), whose sum is σ = 252177198. Its totient is φ = 33254112.

The previous prime is 99762367. The next prime is 99762391. The reversal of 99762372 is 27326799.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80892036 + 18870336 = 8994^2 + 4344^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1385553 + ... + 1385624.

Almost surely, 2^99762372 is an apocalyptic number.

It is an amenable number.

99762372 is an abundant number, since it is smaller than the sum of its proper divisors (152414826).

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

99762372 is a wasteful number, since it uses less digits than its factorization.

99762372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771187 (or 2771182 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 99762372 is about 9988.1115332179. Note that the first 3 decimals coincide. The cubic root of 99762372 is about 463.7909346003.

The spelling of 99762372 in words is "ninety-nine million, seven hundred sixty-two thousand, three hundred seventy-two".