99072651 has 16 divisors (see below), whose sum is σ = 140392224. Its totient is φ = 61929984.

The previous prime is 99072647. The next prime is 99072653. The reversal of 99072651 is 15627099.

It is not a de Polignac number, because 99072651 - 2² = 99072647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99072653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10621 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (8774514).

Almost surely, 2^99072651 is an apocalyptic number.

99072651 is a deficient number, since it is larger than the sum of its proper divisors (41319573).

99072651 is a wasteful number, since it uses less digits than its factorization.

99072651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 99072651 is about 9953.5245516350. The cubic root of 99072651 is about 462.7196342751.

The spelling of 99072651 in words is "ninety-nine million, seventy-two thousand, six hundred fifty-one".