73207273865 has 32 divisors (see below), whose sum is σ = 98879114880. Its totient is φ = 51569164800.

The previous prime is 73207273807. The next prime is 73207273877. The reversal of 73207273865 is 56837270237.

It is not a de Polignac number, because 73207273865 - 2⁸ = 73207273609 is a prime.

It is a super-2 number, since 2×73207273865² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196667 + ... + 430223.

It is an arithmetic number, because the mean of its divisors is an integer number (3089972340).

Almost surely, 2^73207273865 is an apocalyptic number.

It is an amenable number.

73207273865 is a deficient number, since it is larger than the sum of its proper divisors (25671841015).

73207273865 is a wasteful number, since it uses less digits than its factorization.

73207273865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233753.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 73207273865 in words is "seventy-three billion, two hundred seven million, two hundred seventy-three thousand, eight hundred sixty-five".