73740673992 has 32 divisors (see below), whose sum is σ = 184527154080. Its totient is φ = 24556828800.

The previous prime is 73740673967. The next prime is 73740673997. The reversal of 73740673992 is 29937604737.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73740673997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436493 + ... + 1486940.

It is an arithmetic number, because the mean of its divisors is an integer number (5766473565).

Almost surely, 2^73740673992 is an apocalyptic number.

It is an amenable number.

73740673992 is an abundant number, since it is smaller than the sum of its proper divisors (110786480088).

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

73740673992 is a wasteful number, since it uses less digits than its factorization.

73740673992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924493 (or 2924489 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 57.

The spelling of 73740673992 in words is "seventy-three billion, seven hundred forty million, six hundred seventy-three thousand, nine hundred ninety-two".