7479479 has 4 divisors (see below), whose sum is σ = 8547984. Its totient is φ = 6410976.

The previous prime is 7479469. The next prime is 7479487. The reversal of 7479479 is 9749747.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7479479 - 2⁸ = 7479223 is a prime.

It is a super-2 number, since 2×7479479² = 111885212222882, 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 (7479469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534242 + ... + 534255.

It is an arithmetic number, because the mean of its divisors is an integer number (2136996).

Almost surely, 2^7479479 is an apocalyptic number.

7479479 is a deficient number, since it is larger than the sum of its proper divisors (1068505).

7479479 is a wasteful number, since it uses less digits than its factorization.

7479479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068504.

The product of its digits is 444528, while the sum is 47.

The square root of 7479479 is about 2734.8636163436. The cubic root of 7479479 is about 195.5646923221.

The spelling of 7479479 in words is "seven million, four hundred seventy-nine thousand, four hundred seventy-nine".