97570240 has 28 divisors (see below), whose sum is σ = 232339896. Its totient is φ = 39027968.

The previous prime is 97570229. The next prime is 97570243. The reversal of 97570240 is 4207579.

It is a junction number, because it is equal to n+sod(n) for n = 97570196 and 97570205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97570243) 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, 152134 + ... + 152773.

Almost surely, 2^97570240 is an apocalyptic number.

It is an amenable number.

97570240 is an abundant number, since it is smaller than the sum of its proper divisors (134769656).

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

97570240 is a wasteful number, since it uses less digits than its factorization.

97570240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304924 (or 304914 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 97570240 is about 9877.7649293755. The cubic root of 97570240 is about 460.3687025056.

The spelling of 97570240 in words is "ninety-seven million, five hundred seventy thousand, two hundred forty".