74134373 has 2 divisors, whose sum is σ = 74134374. Its totient is φ = 74134372.

The previous prime is 74134349. The next prime is 74134391. The reversal of 74134373 is 37343147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64995844 + 9138529 = 8062^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 74134373 - 2⁸ = 74134117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74134873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37067186 + 37067187.

It is an arithmetic number, because the mean of its divisors is an integer number (37067187).

Almost surely, 2^74134373 is an apocalyptic number.

It is an amenable number.

74134373 is a deficient number, since it is larger than the sum of its proper divisors (1).

74134373 is an equidigital number, since it uses as much as digits as its factorization.

74134373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 32.

The square root of 74134373 is about 8610.1319966653. The cubic root of 74134373 is about 420.0876102195.

The spelling of 74134373 in words is "seventy-four million, one hundred thirty-four thousand, three hundred seventy-three".