7606981 has 2 divisors, whose sum is σ = 7606982. Its totient is φ = 7606980.

The previous prime is 7606969. The next prime is 7606987. The reversal of 7606981 is 1896067.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7236100 + 370881 = 2690^2 + 609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7606981 is a prime.

It is a super-2 number, since 2×7606981² = 115732319868722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7606981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7606987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3803490 + 3803491.

It is an arithmetic number, because the mean of its divisors is an integer number (3803491).

Almost surely, 2^7606981 is an apocalyptic number.

It is an amenable number.

7606981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7606981 is an equidigital number, since it uses as much as digits as its factorization.

7606981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 7606981 is about 2758.0755972235. The cubic root of 7606981 is about 196.6696948048.

The spelling of 7606981 in words is "seven million, six hundred six thousand, nine hundred eighty-one".