73261974145 has 8 divisors (see below), whose sum is σ = 88020679104. Its totient is φ = 58538705904.

The previous prime is 73261974139. The next prime is 73261974157. The reversal of 73261974145 is 54147916237.

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

It is a cyclic number.

It is not a de Polignac number, because 73261974145 - 2⁹ = 73261973633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854629 + ... + 8862898.

It is an arithmetic number, because the mean of its divisors is an integer number (11002584888).

Almost surely, 2^73261974145 is an apocalyptic number.

It is an amenable number.

73261974145 is a deficient number, since it is larger than the sum of its proper divisors (14758704959).

73261974145 is a wasteful number, since it uses less digits than its factorization.

73261974145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718359.

The product of its digits is 1270080, while the sum is 49.

The spelling of 73261974145 in words is "seventy-three billion, two hundred sixty-one million, nine hundred seventy-four thousand, one hundred forty-five".