99723492 has 72 divisors (see below), whose sum is σ = 286977600. Its totient is φ = 28902720.

The previous prime is 99723443. The next prime is 99723529. The reversal of 99723492 is 29432799.

99723492 is a `hidden beast` number, since 99 + 72 + 3 + 492 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3634 + ... + 14582.

It is an arithmetic number, because the mean of its divisors is an integer number (3985800).

Almost surely, 2^99723492 is an apocalyptic number.

99723492 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99723492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143488800).

99723492 is an abundant number, since it is smaller than the sum of its proper divisors (187254108).

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

99723492 is a wasteful number, since it uses less digits than its factorization.

99723492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10993 (or 10988 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 99723492 is about 9986.1650296798. The cubic root of 99723492 is about 463.7306762944.

The spelling of 99723492 in words is "ninety-nine million, seven hundred twenty-three thousand, four hundred ninety-two".