72470747277 has 8 divisors (see below), whose sum is σ = 107364070080. Its totient is φ = 48313831500.

The previous prime is 72470747273. The next prime is 72470747351. The reversal of 72470747277 is 77274707427.

It is not a de Polignac number, because 72470747277 - 2² = 72470747273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72470747273) 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, 1342050849 + ... + 1342050902.

It is an arithmetic number, because the mean of its divisors is an integer number (13420508760).

Almost surely, 2^72470747277 is an apocalyptic number.

It is an amenable number.

72470747277 is a deficient number, since it is larger than the sum of its proper divisors (34893322803).

72470747277 is a wasteful number, since it uses less digits than its factorization.

72470747277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684101760 (or 2684101754 counting only the distinct ones).

The product of its (nonzero) digits is 7529536, while the sum is 54.

The spelling of 72470747277 in words is "seventy-two billion, four hundred seventy million, seven hundred forty-seven thousand, two hundred seventy-seven".