99972702 has 12 divisors (see below), whose sum is σ = 216607560. Its totient is φ = 33324228.

The previous prime is 99972679. The next prime is 99972703. The reversal of 99972702 is 20727999.

It is a super-2 number, since 2×99972702² = 19989082290361608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99972703) 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, 2777002 + ... + 2777037.

It is an arithmetic number, because the mean of its divisors is an integer number (18050630).

Almost surely, 2^99972702 is an apocalyptic number.

99972702 is an abundant number, since it is smaller than the sum of its proper divisors (116634858).

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

99972702 is a wasteful number, since it uses less digits than its factorization.

99972702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554047 (or 5554044 counting only the distinct ones).

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

The square root of 99972702 is about 9998.6350068397. The cubic root of 99972702 is about 464.1166441536.

The spelling of 99972702 in words is "ninety-nine million, nine hundred seventy-two thousand, seven hundred two".