74424530 has 8 divisors (see below), whose sum is σ = 133964172. Its totient is φ = 29769808.

The previous prime is 74424509. The next prime is 74424541. The reversal of 74424530 is 3542447.

It can be written as a sum of positive squares in 2 ways, for example, as 71757841 + 2666689 = 8471^2 + 1633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74424493 and 74424502.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3721217 + ... + 3721236.

Almost surely, 2^74424530 is an apocalyptic number.

74424530 is a deficient number, since it is larger than the sum of its proper divisors (59539642).

74424530 is a wasteful number, since it uses less digits than its factorization.

74424530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442460.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 74424530 is about 8626.9652833427. The cubic root of 74424530 is about 420.6349617191.

Adding to 74424530 its reverse (3542447), we get a palindrome (77966977).

The spelling of 74424530 in words is "seventy-four million, four hundred twenty-four thousand, five hundred thirty".