74214451 has 8 divisors (see below), whose sum is σ = 77494320. Its totient is φ = 70982688.

The previous prime is 74214443. The next prime is 74214499. The reversal of 74214451 is 15441247.

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 74214451 - 2³ = 74214443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74214421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8856 + ... + 15061.

It is an arithmetic number, because the mean of its divisors is an integer number (9686790).

Almost surely, 2^74214451 is an apocalyptic number.

74214451 is a deficient number, since it is larger than the sum of its proper divisors (3279869).

74214451 is a wasteful number, since it uses less digits than its factorization.

74214451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24053.

The product of its digits is 4480, while the sum is 28.

The square root of 74214451 is about 8614.7809606513. The cubic root of 74214451 is about 420.2388116540.

Adding to 74214451 its reverse (15441247), we get a palindrome (89655698).

The spelling of 74214451 in words is "seventy-four million, two hundred fourteen thousand, four hundred fifty-one".