74174399 has 8 divisors (see below), whose sum is σ = 79991520. Its totient is φ = 68373216.

The previous prime is 74174393. The next prime is 74174411. The reversal of 74174399 is 99347147.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74174399 - 2⁸ = 74174143 is a prime.

It is a super-2 number, since 2×74174399² = 11003682934022402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74174393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6782 + ... + 13940.

It is an arithmetic number, because the mean of its divisors is an integer number (9998940).

Almost surely, 2^74174399 is an apocalyptic number.

74174399 is a deficient number, since it is larger than the sum of its proper divisors (5817121).

74174399 is a wasteful number, since it uses less digits than its factorization.

74174399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969.

The product of its digits is 190512, while the sum is 44.

The square root of 74174399 is about 8612.4560376236. The cubic root of 74174399 is about 420.1631999934.

The spelling of 74174399 in words is "seventy-four million, one hundred seventy-four thousand, three hundred ninety-nine".