99943572 has 36 divisors (see below), whose sum is σ = 246132096. Its totient is φ = 31559760.

The previous prime is 99943513. The next prime is 99943577. The reversal of 99943572 is 27534999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99943577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7204 + ... + 15867.

Almost surely, 2^99943572 is an apocalyptic number.

It is an amenable number.

99943572 is an abundant number, since it is smaller than the sum of its proper divisors (146188524).

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

99943572 is a wasteful number, since it uses less digits than its factorization.

99943572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23116 (or 23095 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 99943572 is about 9997.1782018728. The cubic root of 99943572 is about 464.0715617430.

The spelling of 99943572 in words is "ninety-nine million, nine hundred forty-three thousand, five hundred seventy-two".