74399371 has 2 divisors, whose sum is σ = 74399372. Its totient is φ = 74399370.

The previous prime is 74399329. The next prime is 74399387. The reversal of 74399371 is 17399347.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74399371 - 2⁷ = 74399243 is a prime.

It is not a weakly prime, because it can be changed into another prime (74399671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37199685 + 37199686.

It is an arithmetic number, because the mean of its divisors is an integer number (37199686).

Almost surely, 2^74399371 is an apocalyptic number.

74399371 is a deficient number, since it is larger than the sum of its proper divisors (1).

74399371 is an equidigital number, since it uses as much as digits as its factorization.

74399371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 43.

The square root of 74399371 is about 8625.5069995914. The cubic root of 74399371 is about 420.5875582277.

The spelling of 74399371 in words is "seventy-four million, three hundred ninety-nine thousand, three hundred seventy-one".