99072001 has 8 divisors (see below), whose sum is σ = 116877824. Its totient is φ = 82179360.

The previous prime is 99071989. The next prime is 99072007. The reversal of 99072001 is 10027099.

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

It is a cyclic number.

It is not a de Polignac number, because 99072001 - 2⁷ = 99071873 is a prime.

It is a super-2 number, since 2×99072001² = 19630522764288002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99072007) 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 7 ways as a sum of consecutive naturals, for example, 228060 + ... + 228493.

It is an arithmetic number, because the mean of its divisors is an integer number (14609728).

Almost surely, 2^99072001 is an apocalyptic number.

It is an amenable number.

99072001 is a deficient number, since it is larger than the sum of its proper divisors (17805823).

99072001 is a wasteful number, since it uses less digits than its factorization.

99072001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456591.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 99072001 is about 9953.4918998309. The cubic root of 99072001 is about 462.7186223295.

The spelling of 99072001 in words is "ninety-nine million, seventy-two thousand, one".