99723264 has 48 divisors (see below), whose sum is σ = 265880160. Its totient is φ = 33239040.

The previous prime is 99723233. The next prime is 99723277. The reversal of 99723264 is 46232799.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1972 + ... + 14259.

It is an arithmetic number, because the mean of its divisors is an integer number (5539170).

Almost surely, 2^99723264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99723264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132940080).

99723264 is an abundant number, since it is smaller than the sum of its proper divisors (166156896).

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

99723264 is a wasteful number, since it uses less digits than its factorization.

99723264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16256 (or 16236 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 99723264 is about 9986.1536138796. The cubic root of 99723264 is about 463.7303228816.

The spelling of 99723264 in words is "ninety-nine million, seven hundred twenty-three thousand, two hundred sixty-four".