73664182032 has 160 divisors (see below), whose sum is σ = 228068378880. Its totient is φ = 20042588160.

The previous prime is 73664182027. The next prime is 73664182063. The reversal of 73664182032 is 23028146637.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659532 + ... + 763092.

It is an arithmetic number, because the mean of its divisors is an integer number (1425427368).

Almost surely, 2^73664182032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73664182032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114034189440).

73664182032 is an abundant number, since it is smaller than the sum of its proper divisors (154404196848).

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

73664182032 is a wasteful number, since it uses less digits than its factorization.

73664182032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103681 (or 103675 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 73664182032 in words is "seventy-three billion, six hundred sixty-four million, one hundred eighty-two thousand, thirty-two".