73347512961 has 8 divisors (see below), whose sum is σ = 102943877920. Its totient is φ = 46324744992.

The previous prime is 73347512957. The next prime is 73347513049. The reversal of 73347512961 is 16921574337.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73347512961 - 2² = 73347512957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73347512961.

It is not an unprimeable number, because it can be changed into a prime (73347512921) 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, 643399180 + ... + 643399293.

It is an arithmetic number, because the mean of its divisors is an integer number (12867984740).

Almost surely, 2^73347512961 is an apocalyptic number.

It is an amenable number.

73347512961 is a deficient number, since it is larger than the sum of its proper divisors (29596364959).

73347512961 is a wasteful number, since it uses less digits than its factorization.

73347512961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286798495.

The product of its digits is 952560, while the sum is 48.

The spelling of 73347512961 in words is "seventy-three billion, three hundred forty-seven million, five hundred twelve thousand, nine hundred sixty-one".