73704722140 has 48 divisors (see below), whose sum is σ = 177198098112. Its totient is φ = 25226366976.

The previous prime is 73704722131. The next prime is 73704722167. The reversal of 73704722140 is 4122740737.

It is a self number, because there is not a number n which added to its sum of digits gives 73704722140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375427 + ... + 536986.

It is an arithmetic number, because the mean of its divisors is an integer number (3691627044).

Almost surely, 2^73704722140 is an apocalyptic number.

73704722140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73704722140 is an abundant number, since it is smaller than the sum of its proper divisors (103493375972).

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

73704722140 is a wasteful number, since it uses less digits than its factorization.

73704722140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913006 (or 913004 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The spelling of 73704722140 in words is "seventy-three billion, seven hundred four million, seven hundred twenty-two thousand, one hundred forty".