74444450 has 24 divisors (see below), whose sum is σ = 143244180. Its totient is φ = 28750400.

The previous prime is 74444449. The next prime is 74444471. The reversal of 74444450 is 5444447.

It can be written as a sum of positive squares in 6 ways, for example, as 40233649 + 34210801 = 6343^2 + 5849^2 .

It is a super-2 number, since 2×74444450² = 11083952271605000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24221 + ... + 27120.

Almost surely, 2^74444450 is an apocalyptic number.

74444450 is a deficient number, since it is larger than the sum of its proper divisors (68799730).

74444450 is a wasteful number, since it uses less digits than its factorization.

74444450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51382 (or 51377 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 74444450 is about 8628.1197256413. The cubic root of 74444450 is about 420.6724865378.

Adding to 74444450 its reverse (5444447), we get a palindrome (79888897).

The spelling of 74444450 in words is "seventy-four million, four hundred forty-four thousand, four hundred fifty".