73013726072 has 64 divisors (see below), whose sum is σ = 164744064000. Its totient is φ = 29635410816.

The previous prime is 73013726063. The next prime is 73013726087. The reversal of 73013726072 is 27062731037.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 4158929 + ... + 4176447.

It is an arithmetic number, because the mean of its divisors is an integer number (2574126000).

Almost surely, 2^73013726072 is an apocalyptic number.

It is an amenable number.

73013726072 is an abundant number, since it is smaller than the sum of its proper divisors (91730337928).

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

73013726072 is a wasteful number, since it uses less digits than its factorization.

73013726072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21468 (or 21464 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

It can be divided in two parts, 7301 and 3726072, that added together give a palindrome (3733373).

The spelling of 73013726072 in words is "seventy-three billion, thirteen million, seven hundred twenty-six thousand, seventy-two".