73204912465 has 4 divisors (see below), whose sum is σ = 87845894964. Its totient is φ = 58563929968.

The previous prime is 73204912453. The next prime is 73204912507. The reversal of 73204912465 is 56421940237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58231963969 + 14972948496 = 241313^2 + 122364^2 .

It is a cyclic number.

It is not a de Polignac number, because 73204912465 - 2¹⁵ = 73204879697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7320491242 + ... + 7320491251.

It is an arithmetic number, because the mean of its divisors is an integer number (21961473741).

Almost surely, 2^73204912465 is an apocalyptic number.

It is an amenable number.

73204912465 is a deficient number, since it is larger than the sum of its proper divisors (14640982499).

73204912465 is a wasteful number, since it uses less digits than its factorization.

73204912465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14640982498.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 73204912465 in words is "seventy-three billion, two hundred four million, nine hundred twelve thousand, four hundred sixty-five".