97270840 has 32 divisors (see below), whose sum is σ = 219271680. Its totient is φ = 38835072.

The previous prime is 97270829. The next prime is 97270853. The reversal of 97270840 is 4807279.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97270840.

It is a congruent number.

It is an unprimeable number.

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, 22537 + ... + 26503.

It is an arithmetic number, because the mean of its divisors is an integer number (6852240).

Almost surely, 2^97270840 is an apocalyptic number.

It is an amenable number.

97270840 is an abundant number, since it is smaller than the sum of its proper divisors (122000840).

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

97270840 is a wasteful number, since it uses less digits than its factorization.

97270840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591 (or 4587 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 97270840 is about 9862.5980350007. The cubic root of 97270840 is about 459.8973305836.

The spelling of 97270840 in words is "ninety-seven million, two hundred seventy thousand, eight hundred forty".