97544294072 has 32 divisors (see below), whose sum is σ = 190871078400. Its totient is φ = 46645863264.

The previous prime is 97544294059. The next prime is 97544294077. The reversal of 97544294072 is 27049244579.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97544294077) 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, 1716173 + ... + 1772099.

It is an arithmetic number, because the mean of its divisors is an integer number (5964721200).

Almost surely, 2^97544294072 is an apocalyptic number.

97544294072 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

97544294072 is the 166943-rd centered heptagonal number.

It is an amenable number.

97544294072 is a deficient number, since it is larger than the sum of its proper divisors (93326784328).

97544294072 is a wasteful number, since it uses less digits than its factorization.

97544294072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65435 (or 65431 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 97544294072 in words is "ninety-seven billion, five hundred forty-four million, two hundred ninety-four thousand, seventy-two".