99949725 has 36 divisors (see below), whose sum is σ = 180440832. Its totient is φ = 52884000.

The previous prime is 99949711. The next prime is 99949771. The reversal of 99949725 is 52794999.

It is not a de Polignac number, because 99949725 - 2⁵ = 99949693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27780 + ... + 31170.

Almost surely, 2^99949725 is an apocalyptic number.

It is an amenable number.

99949725 is a deficient number, since it is larger than the sum of its proper divisors (80491107).

99949725 is a wasteful number, since it uses less digits than its factorization.

99949725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538 (or 3530 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 99949725 is about 9997.4859339736. The cubic root of 99949725 is about 464.0810850292.

The spelling of 99949725 in words is "ninety-nine million, nine hundred forty-nine thousand, seven hundred twenty-five".