99975001 has 8 divisors (see below), whose sum is σ = 114320000. Its totient is φ = 85645728.

The previous prime is 99974989. The next prime is 99975019. The reversal of 99975001 is 10057999.

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

It is not a de Polignac number, because 99975001 - 2²¹ = 97877849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99975041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17500 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (14290000).

Almost surely, 2^99975001 is an apocalyptic number.

It is an amenable number.

99975001 is a deficient number, since it is larger than the sum of its proper divisors (14344999).

99975001 is a wasteful number, since it uses less digits than its factorization.

99975001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863.

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 99975001 is about 9998.7499718715. The cubic root of 99975001 is about 464.1202017780.

The spelling of 99975001 in words is "ninety-nine million, nine hundred seventy-five thousand, one".