74414321 has 6 divisors (see below), whose sum is σ = 79049430. Its totient is φ = 70036736.

The previous prime is 74414309. The next prime is 74414339. The reversal of 74414321 is 12341447.

It can be written as a sum of positive squares in 3 ways, for example, as 15124321 + 59290000 = 3889^2 + 7700^2 .

It is not a de Polignac number, because 74414321 - 2¹⁴ = 74397937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74414341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128456 + ... + 129033.

It is an arithmetic number, because the mean of its divisors is an integer number (13174905).

Almost surely, 2^74414321 is an apocalyptic number.

It is an amenable number.

74414321 is a deficient number, since it is larger than the sum of its proper divisors (4635109).

74414321 is a wasteful number, since it uses less digits than its factorization.

74414321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257523 (or 257506 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 74414321 is about 8626.3735717855. The cubic root of 74414321 is about 420.6157276543.

Adding to 74414321 its reverse (12341447), we get a palindrome (86755768).

The spelling of 74414321 in words is "seventy-four million, four hundred fourteen thousand, three hundred twenty-one".