97601690 has 8 divisors (see below), whose sum is σ = 175683060. Its totient is φ = 39040672.

The previous prime is 97601687. The next prime is 97601717. The reversal of 97601690 is 9610679.

It can be written as a sum of positive squares in 2 ways, for example, as 92371321 + 5230369 = 9611^2 + 2287^2 .

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

It is a super-2 number, since 2×97601690² = 19052179781712200, which contains 22 as substring.

It is a Curzon number.

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, 4880075 + ... + 4880094.

Almost surely, 2^97601690 is an apocalyptic number.

97601690 is a deficient number, since it is larger than the sum of its proper divisors (78081370).

97601690 is a wasteful number, since it uses less digits than its factorization.

97601690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760176.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 97601690 is about 9879.3567604374. The cubic root of 97601690 is about 460.4181610302.

The spelling of 97601690 in words is "ninety-seven million, six hundred one thousand, six hundred ninety".