74413331 has 4 divisors (see below), whose sum is σ = 74956632. Its totient is φ = 73870032.

The previous prime is 74413279. The next prime is 74413357. The reversal of 74413331 is 13331447.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74413331 is a prime.

It is a super-2 number, since 2×74413331² = 11074687661031122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74413331.

It is not an unprimeable number, because it can be changed into a prime (74413231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271445 + ... + 271718.

It is an arithmetic number, because the mean of its divisors is an integer number (18739158).

Almost surely, 2^74413331 is an apocalyptic number.

74413331 is a deficient number, since it is larger than the sum of its proper divisors (543301).

74413331 is a wasteful number, since it uses less digits than its factorization.

74413331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543300.

The product of its digits is 3024, while the sum is 26.

The square root of 74413331 is about 8626.3161894287. The cubic root of 74413331 is about 420.6138623708.

Adding to 74413331 its reverse (13331447), we get a palindrome (87744778).

The spelling of 74413331 in words is "seventy-four million, four hundred thirteen thousand, three hundred thirty-one".