97213372 has 24 divisors (see below), whose sum is σ = 172095840. Its totient is φ = 48047040.

The previous prime is 97213351. The next prime is 97213381. The reversal of 97213372 is 27331279.

It is a super-2 number, since 2×97213372² = 18900879391220768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 179422 + ... + 179962.

It is an arithmetic number, because the mean of its divisors is an integer number (7170660).

Almost surely, 2^97213372 is an apocalyptic number.

It is an amenable number.

97213372 is a deficient number, since it is larger than the sum of its proper divisors (74882468).

97213372 is a wasteful number, since it uses less digits than its factorization.

97213372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 979 counting only the distinct ones).

The product of its digits is 15876, while the sum is 34.

The square root of 97213372 is about 9859.6841734409. The cubic root of 97213372 is about 459.8067430161.

The spelling of 97213372 in words is "ninety-seven million, two hundred thirteen thousand, three hundred seventy-two".