74221304 has 8 divisors (see below), whose sum is σ = 139164960. Its totient is φ = 37110648.

The previous prime is 74221289. The next prime is 74221307. The reversal of 74221304 is 40312247.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 74221304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74221307) 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 as a sum of consecutive naturals, namely, 4638824 + ... + 4638839.

It is an arithmetic number, because the mean of its divisors is an integer number (17395620).

Almost surely, 2^74221304 is an apocalyptic number.

It is an amenable number.

74221304 is a deficient number, since it is larger than the sum of its proper divisors (64943656).

74221304 is a wasteful number, since it uses less digits than its factorization.

74221304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277669 (or 9277665 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 74221304 is about 8615.1786980886. The cubic root of 74221304 is about 420.2517462775.

The spelling of 74221304 in words is "seventy-four million, two hundred twenty-one thousand, three hundred four".