73152740856 has 64 divisors (see below), whose sum is σ = 197010616320. Its totient is φ = 22501572480.

The previous prime is 73152740789. The next prime is 73152740879. The reversal of 73152740856 is 65804725137.

It is a super-2 number, since 2×73152740856² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 1023421 + ... + 1092563.

It is an arithmetic number, because the mean of its divisors is an integer number (3078290880).

Almost surely, 2^73152740856 is an apocalyptic number.

It is an amenable number.

73152740856 is an abundant number, since it is smaller than the sum of its proper divisors (123857875464).

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

73152740856 is a wasteful number, since it uses less digits than its factorization.

73152740856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72556 (or 72552 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 73152740856 in words is "seventy-three billion, one hundred fifty-two million, seven hundred forty thousand, eight hundred fifty-six".