74303444 has 6 divisors (see below), whose sum is σ = 130031034. Its totient is φ = 37151720.

The previous prime is 74303443. The next prime is 74303473. The reversal of 74303444 is 44430347.

It can be written as a sum of positive squares in only one way, i.e., 74166544 + 136900 = 8612^2 + 370^2 .

It is a super-2 number, since 2×74303444² = 11042003580522272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74303443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9287927 + ... + 9287934.

It is an arithmetic number, because the mean of its divisors is an integer number (21671839).

Almost surely, 2^74303444 is an apocalyptic number.

It is an amenable number.

74303444 is a deficient number, since it is larger than the sum of its proper divisors (55727590).

74303444 is a wasteful number, since it uses less digits than its factorization.

74303444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18575865 (or 18575863 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 74303444 is about 8619.9445473854. The cubic root of 74303444 is about 420.4067186384.

It can be divided in two parts, 74303 and 444, that added together give a palindrome (74747).

The spelling of 74303444 in words is "seventy-four million, three hundred three thousand, four hundred forty-four".