74414399 has 4 divisors (see below), whose sum is σ = 75675720. Its totient is φ = 73153080.

The previous prime is 74414387. The next prime is 74414401. The reversal of 74414399 is 99341447.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74414399 - 2⁴ = 74414383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74414309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630572 + ... + 630689.

It is an arithmetic number, because the mean of its divisors is an integer number (18918930).

Almost surely, 2^74414399 is an apocalyptic number.

74414399 is a deficient number, since it is larger than the sum of its proper divisors (1261321).

74414399 is a wasteful number, since it uses less digits than its factorization.

74414399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261320.

The product of its digits is 108864, while the sum is 41.

The square root of 74414399 is about 8626.3780928035. The cubic root of 74414399 is about 420.6158746154.

It can be divided in two parts, 7441439 and 9, that multiplied together give a triangular number (66972951 = T₁₁₅₇₃).

The spelling of 74414399 in words is "seventy-four million, four hundred fourteen thousand, three hundred ninety-nine".