74469321 has 16 divisors (see below), whose sum is σ = 111008320. Its totient is φ = 49338720.

The previous prime is 74469319. The next prime is 74469337. The reversal of 74469321 is 12396447.

It is not a de Polignac number, because 74469321 - 2¹ = 74469319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74469301) 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 15 ways as a sum of consecutive naturals, for example, 4060 + ... + 12861.

It is an arithmetic number, because the mean of its divisors is an integer number (6938020).

Almost surely, 2^74469321 is an apocalyptic number.

It is an amenable number.

74469321 is a deficient number, since it is larger than the sum of its proper divisors (36538999).

74469321 is a wasteful number, since it uses less digits than its factorization.

74469321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17093 (or 17087 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 74469321 is about 8629.5608810646. The cubic root of 74469321 is about 420.7193285365.

The spelling of 74469321 in words is "seventy-four million, four hundred sixty-nine thousand, three hundred twenty-one".