99702972 has 18 divisors (see below), whose sum is σ = 252027048. Its totient is φ = 33234312.

The previous prime is 99702971. The next prime is 99703033. The reversal of 99702972 is 27920799.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99702971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1384728 + ... + 1384799.

Almost surely, 2^99702972 is an apocalyptic number.

It is an amenable number.

99702972 is an abundant number, since it is smaller than the sum of its proper divisors (152324076).

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

99702972 is a wasteful number, since it uses less digits than its factorization.

99702972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769537 (or 2769532 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 99702972 is about 9985.1375553870. The cubic root of 99702972 is about 463.6988669850.

The spelling of 99702972 in words is "ninety-nine million, seven hundred two thousand, nine hundred seventy-two".