74611961 has 2 divisors, whose sum is σ = 74611962. Its totient is φ = 74611960.

The previous prime is 74611919. The next prime is 74612029. The reversal of 74611961 is 16911647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41203561 + 33408400 = 6419^2 + 5780^2 .

It is a cyclic number.

It is not a de Polignac number, because 74611961 - 2⁶ = 74611897 is a prime.

It is not a weakly prime, because it can be changed into another prime (74611261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37305980 + 37305981.

It is an arithmetic number, because the mean of its divisors is an integer number (37305981).

Almost surely, 2^74611961 is an apocalyptic number.

It is an amenable number.

74611961 is a deficient number, since it is larger than the sum of its proper divisors (1).

74611961 is an equidigital number, since it uses as much as digits as its factorization.

74611961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 74611961 is about 8637.8215424955. The cubic root of 74611961 is about 420.9877752349.

The spelling of 74611961 in words is "seventy-four million, six hundred eleven thousand, nine hundred sixty-one".