97513730 has 8 divisors (see below), whose sum is σ = 175524732. Its totient is φ = 39005488.

The previous prime is 97513727. The next prime is 97513771. The reversal of 97513730 is 3731579.

It can be written as a sum of positive squares in 2 ways, for example, as 88981489 + 8532241 = 9433^2 + 2921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4875677 + ... + 4875696.

Almost surely, 2^97513730 is an apocalyptic number.

97513730 is a deficient number, since it is larger than the sum of its proper divisors (78011002).

97513730 is a wasteful number, since it uses less digits than its factorization.

97513730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751380.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 97513730 is about 9874.9040501668. The cubic root of 97513730 is about 460.2798077105.

The spelling of 97513730 in words is "ninety-seven million, five hundred thirteen thousand, seven hundred thirty".