97018620 has 48 divisors (see below), whose sum is σ = 276786720. Its totient is φ = 25382656.

The previous prime is 97018619. The next prime is 97018651. The reversal of 97018620 is 2681079.

It is a super-2 number, since 2×97018620² = 18825225253408800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12075 + ... + 18434.

It is an arithmetic number, because the mean of its divisors is an integer number (5766390).

Almost surely, 2^97018620 is an apocalyptic number.

It is an amenable number.

97018620 is an abundant number, since it is smaller than the sum of its proper divisors (179768100).

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

97018620 is a wasteful number, since it uses less digits than its factorization.

97018620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30574 (or 30572 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 97018620 is about 9849.8030437162. The cubic root of 97018620 is about 459.4994871097.

Adding to 97018620 its reverse (2681079), we get a palindrome (99699699).

The spelling of 97018620 in words is "ninety-seven million, eighteen thousand, six hundred twenty".