97193973 has 4 divisors (see below), whose sum is σ = 129591968. Its totient is φ = 64795980.

The previous prime is 97193969. The next prime is 97193983. The reversal of 97193973 is 37939179.

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 not a de Polignac number, because 97193973 - 2² = 97193969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97193953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16198993 + ... + 16198998.

It is an arithmetic number, because the mean of its divisors is an integer number (32397992).

Almost surely, 2^97193973 is an apocalyptic number.

It is an amenable number.

97193973 is a deficient number, since it is larger than the sum of its proper divisors (32397995).

97193973 is a wasteful number, since it uses less digits than its factorization.

97193973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32397994.

The product of its digits is 321489, while the sum is 48.

The square root of 97193973 is about 9858.7003707385. The cubic root of 97193973 is about 459.7761560567.

The spelling of 97193973 in words is "ninety-seven million, one hundred ninety-three thousand, nine hundred seventy-three".