7422475725 has 36 divisors (see below), whose sum is σ = 15193693216. Its totient is φ = 3393131040.

The previous prime is 7422475721. The next prime is 7422475733. The reversal of 7422475725 is 5275742247.

7422475725 is a `hidden beast` number, since 74 + 2 + 2 + 4 + 7 + 572 + 5 = 666.

It is not a de Polignac number, because 7422475725 - 2² = 7422475721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422475721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2354767 + ... + 2357916.

Almost surely, 2^7422475725 is an apocalyptic number.

7422475725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7422475725 is an abundant number, since it is smaller than the sum of its proper divisors (7771217491).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7422475725 is a wasteful number, since it uses less digits than its factorization.

7422475725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712706 (or 4712698 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 45.

The square root of 7422475725 is about 86153.7911237805. The cubic root of 7422475725 is about 1950.6660643787. Note that the first 3 decimals are identical.

The spelling of 7422475725 in words is "seven billion, four hundred twenty-two million, four hundred seventy-five thousand, seven hundred twenty-five".