97186972 has 6 divisors (see below), whose sum is σ = 170077208. Its totient is φ = 48593484.

The previous prime is 97186963. The next prime is 97186979. The reversal of 97186972 is 27968179.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97186979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12148368 + ... + 12148375.

Almost surely, 2^97186972 is an apocalyptic number.

It is an amenable number.

97186972 is a deficient number, since it is larger than the sum of its proper divisors (72890236).

97186972 is a wasteful number, since it uses less digits than its factorization.

97186972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24296747 (or 24296745 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 97186972 is about 9858.3452972596. The cubic root of 97186972 is about 459.7651163798.

The spelling of 97186972 in words is "ninety-seven million, one hundred eighty-six thousand, nine hundred seventy-two".