7713997 has 2 divisors, whose sum is σ = 7713998. Its totient is φ = 7713996.

The previous prime is 7713967. The next prime is 7714001. The reversal of 7713997 is 7993177.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4955076 + 2758921 = 2226^2 + 1661^2 .

It is an emirp because it is prime and its reverse (7993177) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7713997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7713907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856998 + 3856999.

It is an arithmetic number, because the mean of its divisors is an integer number (3856999).

Almost surely, 2^7713997 is an apocalyptic number.

It is an amenable number.

7713997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7713997 is an equidigital number, since it uses as much as digits as its factorization.

7713997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83349, while the sum is 43.

The square root of 7713997 is about 2777.4083243196. The cubic root of 7713997 is about 197.5876617739.

The spelling of 7713997 in words is "seven million, seven hundred thirteen thousand, nine hundred ninety-seven".