97736690 has 16 divisors (see below), whose sum is σ = 177669720. Its totient is φ = 38707200.

The previous prime is 97736669. The next prime is 97736693. The reversal of 97736690 is 9663779.

It can be written as a sum of positive squares in 4 ways, for example, as 94809169 + 2927521 = 9737^2 + 1711^2 .

It is a super-2 number, since 2×97736690² = 19104921144312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97736693) 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 7 ways as a sum of consecutive naturals, for example, 47375 + ... + 49394.

Almost surely, 2^97736690 is an apocalyptic number.

97736690 is a deficient number, since it is larger than the sum of its proper divisors (79933030).

97736690 is a wasteful number, since it uses less digits than its factorization.

97736690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96877.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 97736690 is about 9886.1868280950. The cubic root of 97736690 is about 460.6303425202.

The spelling of 97736690 in words is "ninety-seven million, seven hundred thirty-six thousand, six hundred ninety".