72342046865 has 32 divisors (see below), whose sum is σ = 98622600192. Its totient is φ = 50464512000.

The previous prime is 72342046849. The next prime is 72342046883. The reversal of 72342046865 is 56864024327.

It is not a de Polignac number, because 72342046865 - 2⁴ = 72342046849 is a prime.

It is a super-3 number, since 3×72342046865³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian 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, 4925 + ... + 380405.

It is an arithmetic number, because the mean of its divisors is an integer number (3081956256).

Almost surely, 2^72342046865 is an apocalyptic number.

It is an amenable number.

72342046865 is a deficient number, since it is larger than the sum of its proper divisors (26280553327).

72342046865 is a wasteful number, since it uses less digits than its factorization.

72342046865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375641.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 72342046865 in words is "seventy-two billion, three hundred forty-two million, forty-six thousand, eight hundred sixty-five".