8725256973 has 12 divisors (see below), whose sum is σ = 12620687040. Its totient is φ = 5808743496.

The previous prime is 8725256963. The next prime is 8725257031. The reversal of 8725256973 is 3796525278.

8725256973 is a `hidden beast` number, since 8 + 7 + 2 + 5 + 2 + 569 + 73 = 666.

It is not a de Polignac number, because 8725256973 - 2⁴ = 8725256957 is a prime.

It is a super-2 number, since 2×8725256973² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725256923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667711 + ... + 680652.

It is an arithmetic number, because the mean of its divisors is an integer number (1051723920).

Almost surely, 2^8725256973 is an apocalyptic number.

It is an amenable number.

8725256973 is a deficient number, since it is larger than the sum of its proper divisors (3895430067).

8725256973 is a wasteful number, since it uses less digits than its factorization.

8725256973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349088 (or 1349085 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 8725256973 is about 93409.0839961510. The cubic root of 8725256973 is about 2058.6984719293.

The spelling of 8725256973 in words is "eight billion, seven hundred twenty-five million, two hundred fifty-six thousand, nine hundred seventy-three".