99924970 has 8 divisors (see below), whose sum is σ = 179864964. Its totient is φ = 39969984.

The previous prime is 99924959. The next prime is 99925027. The reversal of 99924970 is 7942999.

It can be written as a sum of positive squares in 2 ways, for example, as 90383049 + 9541921 = 9507^2 + 3089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4996239 + ... + 4996258.

Almost surely, 2^99924970 is an apocalyptic number.

99924970 is a deficient number, since it is larger than the sum of its proper divisors (79939994).

99924970 is a wasteful number, since it uses less digits than its factorization.

99924970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992504.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 99924970 is about 9996.2477960483. The cubic root of 99924970 is about 464.0427681793.

The spelling of 99924970 in words is "ninety-nine million, nine hundred twenty-four thousand, nine hundred seventy".