7479 has 8 divisors (see below), whose sum is σ = 11120. Its totient is φ = 4968.

The previous prime is 7477. The next prime is 7481. The reversal of 7479 is 9747.

7479 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (7477) and next prime (7481).

It is not a de Polignac number, because 7479 - 2¹ = 7477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 277 = 7479 / (7 + 4 + 7 + 9).

It is a Duffinian number.

It is a plaindrome in base 11 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7477) 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, 112 + ... + 165.

It is an arithmetic number, because the mean of its divisors is an integer number (1390).

2⁷⁴⁷⁹ is an apocalyptic number.

7479 is a deficient number, since it is larger than the sum of its proper divisors (3641).

7479 is a wasteful number, since it uses less digits than its factorization.

7479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 280 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 7479 is about 86.4812118324. The cubic root of 7479 is about 19.5560517455.

It can be divided in two parts, 74 and 79, that added together give a triangular number (153 = T₁₇).

The spelling of 7479 in words is "seven thousand, four hundred seventy-nine".