97272018 has 24 divisors (see below), whose sum is σ = 211981068. Its totient is φ = 32235552.

The previous prime is 97271987. The next prime is 97272023. The reversal of 97272018 is 81027279.

It can be written as a sum of positive squares in 2 ways, for example, as 78375609 + 18896409 = 8853^2 + 4347^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12505 + ... + 18732.

Almost surely, 2^97272018 is an apocalyptic number.

97272018 is an abundant number, since it is smaller than the sum of its proper divisors (114709050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97272018 is a wasteful number, since it uses less digits than its factorization.

97272018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31418 (or 31415 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 97272018 is about 9862.6577553923. The cubic root of 97272018 is about 459.8991871074.

The spelling of 97272018 in words is "ninety-seven million, two hundred seventy-two thousand, eighteen".