73542517965696 has 128 divisors (see below), whose sum is σ = 217160289239040. Its totient is φ = 21898516469760.

The previous prime is 73542517965619. The next prime is 73542517965713. The reversal of 73542517965696 is 69656971524537.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237459360 + ... + 237768863.

It is an arithmetic number, because the mean of its divisors is an integer number (1696564759680).

Almost surely, 2^{73542517965696} is an apocalyptic number.

It is an amenable number.

73542517965696 is an abundant number, since it is smaller than the sum of its proper divisors (143617771273344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73542517965696 is a wasteful number, since it uses less digits than its factorization.

73542517965696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475228284 (or 475228272 counting only the distinct ones).

The product of its digits is 2571912000, while the sum is 75.

The spelling of 73542517965696 in words is "seventy-three trillion, five hundred forty-two billion, five hundred seventeen million, nine hundred sixty-five thousand, six hundred ninety-six".