74563229 has 4 divisors (see below), whose sum is σ = 80298876. Its totient is φ = 68827584.

The previous prime is 74563219. The next prime is 74563249. The reversal of 74563229 is 92236547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92236547 = 13 ⋅7095119.

It can be written as a sum of positive squares in 2 ways, for example, as 11042329 + 63520900 = 3323^2 + 7970^2 .

It is a cyclic number.

It is not a de Polignac number, because 74563229 - 2⁴ = 74563213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74563192 and 74563201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74563219) 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, 2867804 + ... + 2867829.

It is an arithmetic number, because the mean of its divisors is an integer number (20074719).

Almost surely, 2^74563229 is an apocalyptic number.

It is an amenable number.

74563229 is a deficient number, since it is larger than the sum of its proper divisors (5735647).

74563229 is a wasteful number, since it uses less digits than its factorization.

74563229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735646.

The product of its digits is 90720, while the sum is 38.

The square root of 74563229 is about 8635.0002316155. Note that the first 3 decimals coincide. The cubic root of 74563229 is about 420.8961007272.

The spelling of 74563229 in words is "seventy-four million, five hundred sixty-three thousand, two hundred twenty-nine".