74350321 has 4 divisors (see below), whose sum is σ = 75246192. Its totient is φ = 73454452.

The previous prime is 74350319. The next prime is 74350337. The reversal of 74350321 is 12305347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74350321 - 2¹ = 74350319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74350301) 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 3 ways as a sum of consecutive naturals, for example, 447811 + ... + 447976.

It is an arithmetic number, because the mean of its divisors is an integer number (18811548).

Almost surely, 2^74350321 is an apocalyptic number.

It is an amenable number.

74350321 is a deficient number, since it is larger than the sum of its proper divisors (895871).

74350321 is an equidigital number, since it uses as much as digits as its factorization.

74350321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895870.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 74350321 is about 8622.6632196787. The cubic root of 74350321 is about 420.4951096190.

Adding to 74350321 its reverse (12305347), we get a palindrome (86655668).

The spelling of 74350321 in words is "seventy-four million, three hundred fifty thousand, three hundred twenty-one".