7490313 has 40 divisors (see below), whose sum is σ = 12235520. Its totient is φ = 4548960.

The previous prime is 7490309. The next prime is 7490363. The reversal of 7490313 is 3130947.

It is not a de Polignac number, because 7490313 - 2² = 7490309 is a prime.

It is a super-2 number, since 2×7490313² = 112209577675938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

7490313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7490303) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47631 + ... + 47787.

It is an arithmetic number, because the mean of its divisors is an integer number (305888).

Almost surely, 2^7490313 is an apocalyptic number.

It is an amenable number.

7490313 is a deficient number, since it is larger than the sum of its proper divisors (4745207).

7490313 is a wasteful number, since it uses less digits than its factorization.

7490313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 7490313 is about 2736.8436199389. The cubic root of 7490313 is about 195.6590716988.

The spelling of 7490313 in words is "seven million, four hundred ninety thousand, three hundred thirteen".