73580660772 has 24 divisors (see below), whose sum is σ = 179152913856. Its totient is φ = 23460500448.

The previous prime is 73580660767. The next prime is 73580660773. The reversal of 73580660772 is 27706608537.

It is a super-2 number, since 2×73580660772² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73580660773) 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, 133298023 + ... + 133298574.

It is an arithmetic number, because the mean of its divisors is an integer number (7464704744).

Almost surely, 2^73580660772 is an apocalyptic number.

It is an amenable number.

73580660772 is an abundant number, since it is smaller than the sum of its proper divisors (105572253084).

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

73580660772 is a wasteful number, since it uses less digits than its factorization.

73580660772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266596627 (or 266596625 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 73580660772 in words is "seventy-three billion, five hundred eighty million, six hundred sixty thousand, seven hundred seventy-two".