97244172 has 24 divisors (see below), whose sum is σ = 252114800. Its totient is φ = 32414688.

The previous prime is 97244171. The next prime is 97244183. The reversal of 97244172 is 27144279.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (97244171) 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, 450097 + ... + 450312.

Almost surely, 2^97244172 is an apocalyptic number.

It is an amenable number.

97244172 is an abundant number, since it is smaller than the sum of its proper divisors (154870628).

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

97244172 is a wasteful number, since it uses less digits than its factorization.

97244172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900422 (or 900414 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 97244172 is about 9861.2459659011. The cubic root of 97244172 is about 459.8552979011.

The spelling of 97244172 in words is "ninety-seven million, two hundred forty-four thousand, one hundred seventy-two".