7420313 has 16 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 6624000.

The previous prime is 7420307. The next prime is 7420333. The reversal of 7420313 is 3130247.

It is a cyclic number.

It is not a de Polignac number, because 7420313 - 2²⁰ = 6371737 is a prime.

It is a super-2 number, since 2×7420313² = 110122090035938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29438 + ... + 29688.

It is an arithmetic number, because the mean of its divisors is an integer number (517104).

Almost surely, 2^7420313 is an apocalyptic number.

It is an amenable number.

7420313 is a deficient number, since it is larger than the sum of its proper divisors (853351).

7420313 is a wasteful number, since it uses less digits than its factorization.

7420313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7420313 is about 2724.0251467268. The cubic root of 7420313 is about 195.0476587434.

The spelling of 7420313 in words is "seven million, four hundred twenty thousand, three hundred thirteen".