7425679 has 4 divisors (see below), whose sum is σ = 7468776. Its totient is φ = 7382584.

The previous prime is 7425667. The next prime is 7425683. The reversal of 7425679 is 9765247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9765247 = 229 ⋅42643.

It is a cyclic number.

It is not a de Polignac number, because 7425679 - 2¹¹ = 7423631 is a prime.

It is a super-2 number, since 2×7425679² = 110281417222082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21289 + ... + 21634.

It is an arithmetic number, because the mean of its divisors is an integer number (1867194).

Almost surely, 2^7425679 is an apocalyptic number.

7425679 is a deficient number, since it is larger than the sum of its proper divisors (43097).

7425679 is a wasteful number, since it uses less digits than its factorization.

7425679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43096.

The product of its digits is 105840, while the sum is 40.

The square root of 7425679 is about 2725.0099082389. The cubic root of 7425679 is about 195.0946636585.

The spelling of 7425679 in words is "seven million, four hundred twenty-five thousand, six hundred seventy-nine".