72032404865 has 8 divisors (see below), whose sum is σ = 86555227968. Its totient is φ = 57548362480.

The previous prime is 72032404831. The next prime is 72032404889. The reversal of 72032404865 is 56840423027.

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

It is not a de Polignac number, because 72032404865 - 2²⁶ = 71965296001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9691091 + ... + 9698520.

It is an arithmetic number, because the mean of its divisors is an integer number (10819403496).

Almost surely, 2^72032404865 is an apocalyptic number.

It is an amenable number.

72032404865 is a deficient number, since it is larger than the sum of its proper divisors (14522823103).

72032404865 is a wasteful number, since it uses less digits than its factorization.

72032404865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19390359.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 72032404865 in words is "seventy-two billion, thirty-two million, four hundred four thousand, eight hundred sixty-five".