73720791372 has 48 divisors (see below), whose sum is σ = 176134275072. Its totient is φ = 23987888640.

The previous prime is 73720791359. The next prime is 73720791379. The reversal of 73720791372 is 27319702737.

It is a super-3 number, since 3×73720791372³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73720791379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45372 + ... + 386652.

It is an arithmetic number, because the mean of its divisors is an integer number (3669464064).

Almost surely, 2^73720791372 is an apocalyptic number.

It is an amenable number.

73720791372 is an abundant number, since it is smaller than the sum of its proper divisors (102413483700).

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

73720791372 is a wasteful number, since it uses less digits than its factorization.

73720791372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341718 (or 341716 counting only the distinct ones).

The product of its (nonzero) digits is 777924, while the sum is 48.

The spelling of 73720791372 in words is "seventy-three billion, seven hundred twenty million, seven hundred ninety-one thousand, three hundred seventy-two".