99747252 has 36 divisors (see below), whose sum is σ = 275061696. Its totient is φ = 30226320.

The previous prime is 99747239. The next prime is 99747253. The reversal of 99747252 is 25274799.

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 = 99747198 and 99747207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99747253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125548 + ... + 126339.

Almost surely, 2^99747252 is an apocalyptic number.

It is an amenable number.

99747252 is an abundant number, since it is smaller than the sum of its proper divisors (175314444).

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

99747252 is a wasteful number, since it uses less digits than its factorization.

99747252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251908 (or 251903 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 99747252 is about 9987.3546046989. The cubic root of 99747252 is about 463.7675026754.

It can be divided in two parts, 99747 and 252, that added together give a palindrome (99999).

The spelling of 99747252 in words is "ninety-nine million, seven hundred forty-seven thousand, two hundred fifty-two".