97628372 has 12 divisors (see below), whose sum is σ = 172769940. Its totient is φ = 48265536.

The previous prime is 97628369. The next prime is 97628383. The reversal of 97628372 is 27382679.

It can be written as a sum of positive squares in 2 ways, for example, as 21659716 + 75968656 = 4654^2 + 8716^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 136763 + ... + 137474.

It is an arithmetic number, because the mean of its divisors is an integer number (14397495).

Almost surely, 2^97628372 is an apocalyptic number.

It is an amenable number.

97628372 is a deficient number, since it is larger than the sum of its proper divisors (75141568).

97628372 is a wasteful number, since it uses less digits than its factorization.

97628372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274330 (or 274328 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 97628372 is about 9880.7070597200. The cubic root of 97628372 is about 460.4601130294.

The spelling of 97628372 in words is "ninety-seven million, six hundred twenty-eight thousand, three hundred seventy-two".