72425070749 has 16 divisors (see below), whose sum is σ = 73776635136. Its totient is φ = 71083488000.

The previous prime is 72425070733. The next prime is 72425070763. The reversal of 72425070749 is 94707052427.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72425070749 - 2⁴ = 72425070733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72425070769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15856064 + ... + 15860630.

It is an arithmetic number, because the mean of its divisors is an integer number (4611039696).

Almost surely, 2^72425070749 is an apocalyptic number.

It is an amenable number.

72425070749 is a deficient number, since it is larger than the sum of its proper divisors (1351564387).

72425070749 is a wasteful number, since it uses less digits than its factorization.

72425070749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 72425070749 in words is "seventy-two billion, four hundred twenty-five million, seventy thousand, seven hundred forty-nine".