7425979 has 8 divisors (see below), whose sum is σ = 8527680. Its totient is φ = 6395400.

The previous prime is 7425973. The next prime is 7425983. The reversal of 7425979 is 9795247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7425979 - 2¹⁹ = 6901691 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7425973) 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, 17557 + ... + 17974.

It is an arithmetic number, because the mean of its divisors is an integer number (1065960).

Almost surely, 2^7425979 is an apocalyptic number.

7425979 is a deficient number, since it is larger than the sum of its proper divisors (1101701).

7425979 is a wasteful number, since it uses less digits than its factorization.

7425979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35561.

The product of its digits is 158760, while the sum is 43.

The square root of 7425979 is about 2725.0649533543. The cubic root of 7425979 is about 195.0972909204.

The spelling of 7425979 in words is "seven million, four hundred twenty-five thousand, nine hundred seventy-nine".