74039449 has 8 divisors (see below), whose sum is σ = 81512640. Its totient is φ = 66690000.

The previous prime is 74039423. The next prime is 74039453. The reversal of 74039449 is 94493047.

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 74039449 - 2⁵ = 74039417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74039149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29677 + ... + 32074.

It is an arithmetic number, because the mean of its divisors is an integer number (10189080).

Almost surely, 2^74039449 is an apocalyptic number.

It is an amenable number.

74039449 is a deficient number, since it is larger than the sum of its proper divisors (7473191).

74039449 is a wasteful number, since it uses less digits than its factorization.

74039449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61871.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 74039449 is about 8604.6178880878. The cubic root of 74039449 is about 419.9082358102.

The spelling of 74039449 in words is "seventy-four million, thirty-nine thousand, four hundred forty-nine".