99072526 has 16 divisors (see below), whose sum is σ = 175695840. Its totient is φ = 40995360.

The previous prime is 99072521. The next prime is 99072527. The reversal of 99072526 is 62527099.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99072521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121605 + ... + 122416.

It is an arithmetic number, because the mean of its divisors is an integer number (10980990).

Almost surely, 2^99072526 is an apocalyptic number.

99072526 is a deficient number, since it is larger than the sum of its proper divisors (76623314).

99072526 is a wasteful number, since it uses less digits than its factorization.

99072526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244059.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 99072526 is about 9953.5182724502. The cubic root of 99072526 is about 462.7194396705.

The spelling of 99072526 in words is "ninety-nine million, seventy-two thousand, five hundred twenty-six".