73077518772 has 18 divisors (see below), whose sum is σ = 184723728098. Its totient is φ = 24359172912.

The previous prime is 73077518753. The next prime is 73077518791. The reversal of 73077518772 is 27781577037.

It is an interprime number because it is at equal distance from previous prime (73077518753) and next prime (73077518791).

It can be written as a sum of positive squares in only one way, i.e., 57905684496 + 15171834276 = 240636^2 + 123174^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1014965503 + ... + 1014965574.

Almost surely, 2^73077518772 is an apocalyptic number.

It is an amenable number.

73077518772 is an abundant number, since it is smaller than the sum of its proper divisors (111646209326).

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

73077518772 is a wasteful number, since it uses less digits than its factorization.

73077518772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029931087 (or 2029931082 counting only the distinct ones).

The product of its (nonzero) digits is 4033680, while the sum is 54.

The spelling of 73077518772 in words is "seventy-three billion, seventy-seven million, five hundred eighteen thousand, seven hundred seventy-two".