97620173 has 4 divisors (see below), whose sum is σ = 111565920. Its totient is φ = 83674428.

The previous prime is 97620169. The next prime is 97620197. The reversal of 97620173 is 37102679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97620173 - 2² = 97620169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97620113) 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, 6972863 + ... + 6972876.

It is an arithmetic number, because the mean of its divisors is an integer number (27891480).

Almost surely, 2^97620173 is an apocalyptic number.

It is an amenable number.

97620173 is a deficient number, since it is larger than the sum of its proper divisors (13945747).

97620173 is a wasteful number, since it uses less digits than its factorization.

97620173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945746.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 97620173 is about 9880.2921515510. The cubic root of 97620173 is about 460.4472225889.

The spelling of 97620173 in words is "ninety-seven million, six hundred twenty thousand, one hundred seventy-three".