97173405 has 32 divisors (see below), whose sum is σ = 197433600. Its totient is φ = 44421696.

The previous prime is 97173361. The next prime is 97173407. The reversal of 97173405 is 50437179.

It is a happy number.

It is not a de Polignac number, because 97173405 - 2⁸ = 97173149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97173405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97173407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50470 + ... + 52359.

It is an arithmetic number, because the mean of its divisors is an integer number (6169800).

Almost surely, 2^97173405 is an apocalyptic number.

It is an amenable number.

97173405 is an abundant number, since it is smaller than the sum of its proper divisors (100260195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97173405 is a wasteful number, since it uses less digits than its factorization.

97173405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102850 (or 102844 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 97173405 is about 9857.6571760231. The cubic root of 97173405 is about 459.7437214559.

The spelling of 97173405 in words is "ninety-seven million, one hundred seventy-three thousand, four hundred five".