72425587789 has 8 divisors (see below), whose sum is σ = 72858266208. Its totient is φ = 71993267280.

The previous prime is 72425587763. The next prime is 72425587799. The reversal of 72425587789 is 98778552427.

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 72425587789 - 2⁵ = 72425587757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72425587789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72425587799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322074 + ... + 498580.

It is an arithmetic number, because the mean of its divisors is an integer number (9107283276).

Almost surely, 2^72425587789 is an apocalyptic number.

It is an amenable number.

72425587789 is a deficient number, since it is larger than the sum of its proper divisors (432678419).

72425587789 is a wasteful number, since it uses less digits than its factorization.

72425587789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178955.

The product of its digits is 79027200, while the sum is 64.

The spelling of 72425587789 in words is "seventy-two billion, four hundred twenty-five million, five hundred eighty-seven thousand, seven hundred eighty-nine".