97213576 has 16 divisors (see below), whose sum is σ = 191869200. Its totient is φ = 46048464.

The previous prime is 97213573. The next prime is 97213577. The reversal of 97213576 is 67531279.

It is not an unprimeable number, because it can be changed into a prime (97213573) 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 3 ways as a sum of consecutive naturals, for example, 319630 + ... + 319933.

It is an arithmetic number, because the mean of its divisors is an integer number (11991825).

Almost surely, 2^97213576 is an apocalyptic number.

It is an amenable number.

97213576 is a deficient number, since it is larger than the sum of its proper divisors (94655624).

97213576 is a wasteful number, since it uses less digits than its factorization.

97213576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639588 (or 639584 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 97213576 is about 9859.6945185944. The cubic root of 97213576 is about 459.8070646471.

The spelling of 97213576 in words is "ninety-seven million, two hundred thirteen thousand, five hundred seventy-six".