99503772 has 12 divisors (see below), whose sum is σ = 232175496. Its totient is φ = 33167920.

The previous prime is 99503759. The next prime is 99503809. The reversal of 99503772 is 27730599.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4145979 + ... + 4146002.

It is an arithmetic number, because the mean of its divisors is an integer number (19347958).

Almost surely, 2^99503772 is an apocalyptic number.

It is an amenable number.

99503772 is an abundant number, since it is smaller than the sum of its proper divisors (132671724).

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

99503772 is a wasteful number, since it uses less digits than its factorization.

99503772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291988 (or 8291986 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 99503772 is about 9975.1577431136. The cubic root of 99503772 is about 463.3898477839.

The spelling of 99503772 in words is "ninety-nine million, five hundred three thousand, seven hundred seventy-two".