74268447 has 8 divisors (see below), whose sum is σ = 108026880. Its totient is φ = 45011160.

The previous prime is 74268437. The next prime is 74268451. The reversal of 74268447 is 74486247.

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

It is not a de Polignac number, because 74268447 - 2¹⁴ = 74252063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74268399 and 74268408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74268437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125247 + ... + 1125312.

It is an arithmetic number, because the mean of its divisors is an integer number (13503360).

Almost surely, 2^74268447 is an apocalyptic number.

74268447 is a deficient number, since it is larger than the sum of its proper divisors (33758433).

74268447 is a wasteful number, since it uses less digits than its factorization.

74268447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250573.

The product of its digits is 301056, while the sum is 42.

The square root of 74268447 is about 8617.9143068378. The cubic root of 74268447 is about 420.3407042714.

The spelling of 74268447 in words is "seventy-four million, two hundred sixty-eight thousand, four hundred forty-seven".