7389713 has 4 divisors (see below), whose sum is σ = 7824420. Its totient is φ = 6955008.

The previous prime is 7389709. The next prime is 7389721. The reversal of 7389713 is 3179837.

It is a happy number.

7389713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3179837 = 41 ⋅77557.

It can be written as a sum of positive squares in 2 ways, for example, as 4739329 + 2650384 = 2177^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 7389713 - 2² = 7389709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7389703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217328 + ... + 217361.

It is an arithmetic number, because the mean of its divisors is an integer number (1956105).

Almost surely, 2^7389713 is an apocalyptic number.

It is an amenable number.

7389713 is a deficient number, since it is larger than the sum of its proper divisors (434707).

7389713 is a wasteful number, since it uses less digits than its factorization.

7389713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434706.

The product of its digits is 31752, while the sum is 38.

The square root of 7389713 is about 2718.4026559728. The cubic root of 7389713 is about 194.7791758425.

The spelling of 7389713 in words is "seven million, three hundred eighty-nine thousand, seven hundred thirteen".