97696739 has 18 divisors (see below), whose sum is σ = 120743100. Its totient is φ = 78802752.

The previous prime is 97696723. The next prime is 97696763. The reversal of 97696739 is 93769679.

97696739 is nontrivially palindromic in base 3.

It is not a de Polignac number, because 97696739 - 2⁴ = 97696723 is a prime.

It is a super-2 number, since 2×97696739² = 19089305622468242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97696769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10712 + ... + 17610.

It is an arithmetic number, because the mean of its divisors is an integer number (6707950).

Almost surely, 2^97696739 is an apocalyptic number.

97696739 is a deficient number, since it is larger than the sum of its proper divisors (23046361).

97696739 is a wasteful number, since it uses less digits than its factorization.

97696739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947 (or 6923 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 56.

The square root of 97696739 is about 9884.1660750920. The cubic root of 97696739 is about 460.5675713104.

The spelling of 97696739 in words is "ninety-seven million, six hundred ninety-six thousand, seven hundred thirty-nine".