7428679 has 8 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 7221816.

The previous prime is 7428671. The next prime is 7428683. The reversal of 7428679 is 9768247.

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

It is a cyclic number.

It is not a de Polignac number, because 7428679 - 2³ = 7428671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428671) 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, 7972 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (954720).

Almost surely, 2^7428679 is an apocalyptic number.

7428679 is a deficient number, since it is larger than the sum of its proper divisors (209081).

7428679 is a wasteful number, since it uses less digits than its factorization.

7428679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its digits is 169344, while the sum is 43.

The square root of 7428679 is about 2725.5603093676. The cubic root of 7428679 is about 195.1209330942.

The spelling of 7428679 in words is "seven million, four hundred twenty-eight thousand, six hundred seventy-nine".