7904713 has 4 divisors (see below), whose sum is σ = 7993620. Its totient is φ = 7815808.

The previous prime is 7904707. The next prime is 7904719. The reversal of 7904713 is 3174097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3174097 = 41 ⋅77417.

It is an interprime number because it is at equal distance from previous prime (7904707) and next prime (7904719).

It can be written as a sum of positive squares in 2 ways, for example, as 2396304 + 5508409 = 1548^2 + 2347^2 .

It is a cyclic number.

It is not a de Polignac number, because 7904713 - 2²¹ = 5807561 is a prime.

It is a super-2 number, since 2×7904713² = 124968975224738, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7904719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44320 + ... + 44497.

It is an arithmetic number, because the mean of its divisors is an integer number (1998405).

Almost surely, 2^7904713 is an apocalyptic number.

It is an amenable number.

7904713 is a deficient number, since it is larger than the sum of its proper divisors (88907).

7904713 is an equidigital number, since it uses as much as digits as its factorization.

7904713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88906.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 7904713 is about 2811.5321445788. The cubic root of 7904713 is about 199.2027679948.

The spelling of 7904713 in words is "seven million, nine hundred four thousand, seven hundred thirteen".