99749052 has 36 divisors (see below), whose sum is σ = 271540360. Its totient is φ = 30691872.

The previous prime is 99749017. The next prime is 99749053. The reversal of 99749052 is 25094799.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 99748989 and 99749007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99749053) 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, 106102 + ... + 107037.

Almost surely, 2^99749052 is an apocalyptic number.

It is an amenable number.

99749052 is an abundant number, since it is smaller than the sum of its proper divisors (171791308).

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

99749052 is a wasteful number, since it uses less digits than its factorization.

99749052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213162 (or 213157 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 99749052 is about 9987.4447182450. Note that the first 3 decimals coincide. The cubic root of 99749052 is about 463.7702923144.

The spelling of 99749052 in words is "ninety-nine million, seven hundred forty-nine thousand, fifty-two".