74024861 has 2 divisors, whose sum is σ = 74024862. Its totient is φ = 74024860.

The previous prime is 74024789. The next prime is 74024911. The reversal of 74024861 is 16842047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61136761 + 12888100 = 7819^2 + 3590^2 .

It is an emirp because it is prime and its reverse (16842047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74024861 - 2¹⁰ = 74023837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74020861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37012430 + 37012431.

It is an arithmetic number, because the mean of its divisors is an integer number (37012431).

Almost surely, 2^74024861 is an apocalyptic number.

It is an amenable number.

74024861 is a deficient number, since it is larger than the sum of its proper divisors (1).

74024861 is an equidigital number, since it uses as much as digits as its factorization.

74024861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 74024861 is about 8603.7701619697. The cubic root of 74024861 is about 419.8806558116.

The spelling of 74024861 in words is "seventy-four million, twenty-four thousand, eight hundred sixty-one".