7504479 has 12 divisors (see below), whose sum is σ = 10906896. Its totient is φ = 4972032.

The previous prime is 7504459. The next prime is 7504481. The reversal of 7504479 is 9744057.

It is a happy number.

7504479 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7504479 - 2⁹ = 7503967 is a prime.

It is a super-2 number, since 2×7504479² = 112634410122882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7504439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994 + ... + 3999.

It is an arithmetic number, because the mean of its divisors is an integer number (908908).

Almost surely, 2^7504479 is an apocalyptic number.

7504479 is a deficient number, since it is larger than the sum of its proper divisors (3402417).

7504479 is a wasteful number, since it uses less digits than its factorization.

7504479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166 (or 5163 counting only the distinct ones).

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

The square root of 7504479 is about 2739.4304152506. The cubic root of 7504479 is about 195.7823402868.

It can be divided in two parts, 7 and 504479, that multiplied together give a palindrome (3531353).

The spelling of 7504479 in words is "seven million, five hundred four thousand, four hundred seventy-nine".