7479345 has 24 divisors (see below), whose sum is σ = 12341376. Its totient is φ = 3866208.

The previous prime is 7479341. The next prime is 7479349. The reversal of 7479345 is 5439747.

7479345 = 48² + 49² + ... + 282².

7479345 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (7479341) and next prime (7479349).

It is not a de Polignac number, because 7479345 - 2² = 7479341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7479341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72564 + ... + 72666.

It is an arithmetic number, because the mean of its divisors is an integer number (514224).

Almost surely, 2^7479345 is an apocalyptic number.

It is an amenable number.

7479345 is a deficient number, since it is larger than the sum of its proper divisors (4862031).

7479345 is a wasteful number, since it uses less digits than its factorization.

7479345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 158 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 7479345 is about 2734.8391177545. The cubic root of 7479345 is about 195.5635244232.

The spelling of 7479345 in words is "seven million, four hundred seventy-nine thousand, three hundred forty-five".