73072999932 has 48 divisors (see below), whose sum is σ = 170856806400. Its totient is φ = 24307272000.

The previous prime is 73072999889. The next prime is 73072999933. The reversal of 73072999932 is 23999927037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73072999933) 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, 18643869 + ... + 18647787.

It is an arithmetic number, because the mean of its divisors is an integer number (3559516800).

Almost surely, 2^73072999932 is an apocalyptic number.

It is an amenable number.

73072999932 is an abundant number, since it is smaller than the sum of its proper divisors (97783806468).

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

73072999932 is a wasteful number, since it uses less digits than its factorization.

73072999932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746 (or 6744 counting only the distinct ones).

The product of its (nonzero) digits is 11573604, while the sum is 60.

The spelling of 73072999932 in words is "seventy-three billion, seventy-two million, nine hundred ninety-nine thousand, nine hundred thirty-two".