7321713 has 16 divisors (see below), whose sum is σ = 11813760. Its totient is φ = 3937536.

The previous prime is 7321709. The next prime is 7321729. The reversal of 7321713 is 3171237.

It is not a de Polignac number, because 7321713 - 2² = 7321709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7321703) 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, 9898 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (738360).

Almost surely, 2^7321713 is an apocalyptic number.

It is an amenable number.

7321713 is a deficient number, since it is larger than the sum of its proper divisors (4492047).

7321713 is a wasteful number, since it uses less digits than its factorization.

7321713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20536.

The product of its digits is 882, while the sum is 24.

The square root of 7321713 is about 2705.8664046845. The cubic root of 7321713 is about 194.1798823999.

The spelling of 7321713 in words is "seven million, three hundred twenty-one thousand, seven hundred thirteen".