74663461 has 2 divisors, whose sum is σ = 74663462. Its totient is φ = 74663460.

The previous prime is 74663443. The next prime is 74663467. The reversal of 74663461 is 16436647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65512836 + 9150625 = 8094^2 + 3025^2 .

It is an emirp because it is prime and its reverse (16436647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74663461 - 2¹¹ = 74661413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74663461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74663467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37331730 + 37331731.

It is an arithmetic number, because the mean of its divisors is an integer number (37331731).

Almost surely, 2^74663461 is an apocalyptic number.

It is an amenable number.

74663461 is a deficient number, since it is larger than the sum of its proper divisors (1).

74663461 is an equidigital number, since it uses as much as digits as its factorization.

74663461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 74663461 is about 8640.8021039716. The cubic root of 74663461 is about 421.0846135244.

The spelling of 74663461 in words is "seventy-four million, six hundred sixty-three thousand, four hundred sixty-one".