74226530 has 16 divisors (see below), whose sum is σ = 152694720. Its totient is φ = 25449072.

The previous prime is 74226527. The next prime is 74226533. The reversal of 74226530 is 3562247.

It is an interprime number because it is at equal distance from previous prime (74226527) and next prime (74226533).

It is a junction number, because it is equal to n+sod(n) for n = 74226493 and 74226502.

It is not an unprimeable number, because it can be changed into a prime (74226533) 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 in 7 ways as a sum of consecutive naturals, for example, 530120 + ... + 530259.

It is an arithmetic number, because the mean of its divisors is an integer number (9543420).

Almost surely, 2^74226530 is an apocalyptic number.

74226530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74226530 is an abundant number, since it is smaller than the sum of its proper divisors (78468190).

74226530 is a wasteful number, since it uses less digits than its factorization.

74226530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060393.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 74226530 is about 8615.4819946420. The cubic root of 74226530 is about 420.2616095017.

Adding to 74226530 its reverse (3562247), we get a palindrome (77788777).

It can be divided in two parts, 742 and 26530, that added together give a palindrome (27272).

The spelling of 74226530 in words is "seventy-four million, two hundred twenty-six thousand, five hundred thirty".