7972425 has 60 divisors (see below), whose sum is σ = 15364096. Its totient is φ = 4082400.

The previous prime is 7972417. The next prime is 7972429. The reversal of 7972425 is 5242797.

It is not a de Polignac number, because 7972425 - 2³ = 7972417 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (35280) is a multiple of the sum of its prime factors (180).

It is a plaindrome in base 11.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 7972425.

It is not an unprimeable number, because it can be changed into a prime (7972429) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 62712 + ... + 62838.

Almost surely, 2^7972425 is an apocalyptic number.

7972425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7972425 is a deficient number, since it is larger than the sum of its proper divisors (7391671).

7972425 is a wasteful number, since it uses less digits than its factorization.

7972425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 166 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 7972425 is about 2823.5482995692. The cubic root of 7972425 is about 199.7699438055.

The spelling of 7972425 in words is "seven million, nine hundred seventy-two thousand, four hundred twenty-five".