74164141 has 2 divisors, whose sum is σ = 74164142. Its totient is φ = 74164140.

The previous prime is 74164099. The next prime is 74164151. The reversal of 74164141 is 14146147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74132100 + 32041 = 8610^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 74164141 - 2¹¹ = 74162093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74164151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37082070 + 37082071.

It is an arithmetic number, because the mean of its divisors is an integer number (37082071).

Almost surely, 2^74164141 is an apocalyptic number.

It is an amenable number.

74164141 is a deficient number, since it is larger than the sum of its proper divisors (1).

74164141 is an equidigital number, since it uses as much as digits as its factorization.

74164141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 74164141 is about 8611.8604842392. The cubic root of 74164141 is about 420.1438301800.

It can be divided in two parts, 74164 and 141, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 74164141 in words is "seventy-four million, one hundred sixty-four thousand, one hundred forty-one".