7662961 has 2 divisors, whose sum is σ = 7662962. Its totient is φ = 7662960.

The previous prime is 7662929. The next prime is 7663009. The reversal of 7662961 is 1692667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4704561 + 2958400 = 2169^2 + 1720^2 .

It is an emirp because it is prime and its reverse (1692667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7662961 - 2⁵ = 7662929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7662961.

It is not a weakly prime, because it can be changed into another prime (7662761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831480 + 3831481.

It is an arithmetic number, because the mean of its divisors is an integer number (3831481).

Almost surely, 2^7662961 is an apocalyptic number.

It is an amenable number.

7662961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7662961 is an equidigital number, since it uses as much as digits as its factorization.

7662961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 7662961 is about 2768.2053753289. The cubic root of 7662961 is about 197.1509489232.

The spelling of 7662961 in words is "seven million, six hundred sixty-two thousand, nine hundred sixty-one".