97469681 has 4 divisors (see below), whose sum is σ = 99543552. Its totient is φ = 95395812.

The previous prime is 97469663. The next prime is 97469683. The reversal of 97469681 is 18696479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97469681 is a prime.

It is a super-2 number, since 2×97469681² = 19000677428483522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97469683) 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, 1036865 + ... + 1036958.

It is an arithmetic number, because the mean of its divisors is an integer number (24885888).

Almost surely, 2^97469681 is an apocalyptic number.

It is an amenable number.

97469681 is a deficient number, since it is larger than the sum of its proper divisors (2073871).

97469681 is a wasteful number, since it uses less digits than its factorization.

97469681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073870.

The product of its digits is 653184, while the sum is 50.

The square root of 97469681 is about 9872.6734474508. The cubic root of 97469681 is about 460.2104912533.

The spelling of 97469681 in words is "ninety-seven million, four hundred sixty-nine thousand, six hundred eighty-one".