74430413 has 2 divisors, whose sum is σ = 74430414. Its totient is φ = 74430412.

The previous prime is 74430409. The next prime is 74430439. The reversal of 74430413 is 31403447.

It is an a-pointer prime, because the next prime (74430439) can be obtained adding 74430413 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73650724 + 779689 = 8582^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 74430413 - 2² = 74430409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74430493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37215206 + 37215207.

It is an arithmetic number, because the mean of its divisors is an integer number (37215207).

Almost surely, 2^74430413 is an apocalyptic number.

It is an amenable number.

74430413 is a deficient number, since it is larger than the sum of its proper divisors (1).

74430413 is an equidigital number, since it uses as much as digits as its factorization.

74430413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 74430413 is about 8627.3062423911. The cubic root of 74430413 is about 420.6460446702.

The spelling of 74430413 in words is "seventy-four million, four hundred thirty thousand, four hundred thirteen".