97109472 has 48 divisors (see below), whose sum is σ = 255612672. Its totient is φ = 32280960.

The previous prime is 97109471. The next prime is 97109477. The reversal of 97109472 is 27490179.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 97109472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97109471) 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 7 ways as a sum of consecutive naturals, for example, 40203 + ... + 42549.

It is an arithmetic number, because the mean of its divisors is an integer number (5325264).

Almost surely, 2^97109472 is an apocalyptic number.

It is an amenable number.

97109472 is an abundant number, since it is smaller than the sum of its proper divisors (158503200).

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

97109472 is a wasteful number, since it uses less digits than its factorization.

97109472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 97109472 is about 9854.4138334048. The cubic root of 97109472 is about 459.6428734108.

The spelling of 97109472 in words is "ninety-seven million, one hundred nine thousand, four hundred seventy-two".