97418172 has 12 divisors (see below), whose sum is σ = 227309096. Its totient is φ = 32472720.

The previous prime is 97418171. The next prime is 97418207. The reversal of 97418172 is 27181479.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 97418172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97418171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059079 + ... + 4059102.

Almost surely, 2^97418172 is an apocalyptic number.

It is an amenable number.

97418172 is an abundant number, since it is smaller than the sum of its proper divisors (129890924).

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

97418172 is a wasteful number, since it uses less digits than its factorization.

97418172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118188 (or 8118186 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 97418172 is about 9870.0644374796. The cubic root of 97418172 is about 460.1294090853.

The spelling of 97418172 in words is "ninety-seven million, four hundred eighteen thousand, one hundred seventy-two".