97543612 has 24 divisors (see below), whose sum is σ = 175230720. Its totient is φ = 47488560.

The previous prime is 97543597. The next prime is 97543613. The reversal of 97543612 is 21634579.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97543613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38439 + ... + 40897.

It is an arithmetic number, because the mean of its divisors is an integer number (7301280).

Almost surely, 2^97543612 is an apocalyptic number.

It is an amenable number.

97543612 is a deficient number, since it is larger than the sum of its proper divisors (77687108).

97543612 is a wasteful number, since it uses less digits than its factorization.

97543612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2719 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 97543612 is about 9876.4169616314. The cubic root of 97543612 is about 460.3268187879.

It can be divided in two parts, 9754 and 3612, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 97543612 in words is "ninety-seven million, five hundred forty-three thousand, six hundred twelve".