74034530 has 8 divisors (see below), whose sum is σ = 133262172. Its totient is φ = 29613808.

The previous prime is 74034529. The next prime is 74034533. The reversal of 74034530 is 3543047.

It can be written as a sum of positive squares in 2 ways, for example, as 72709729 + 1324801 = 8527^2 + 1151^2 .

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

It is a super-2 number, since 2×74034530² = 10962223264641800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74034530.

It is not an unprimeable number, because it can be changed into a prime (74034533) 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 3 ways as a sum of consecutive naturals, for example, 3701717 + ... + 3701736.

Almost surely, 2^74034530 is an apocalyptic number.

74034530 is a deficient number, since it is larger than the sum of its proper divisors (59227642).

74034530 is a wasteful number, since it uses less digits than its factorization.

74034530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403460.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 74034530 is about 8604.3320484509. The cubic root of 74034530 is about 419.8989363786.

Adding to 74034530 its reverse (3543047), we get a palindrome (77577577).

The spelling of 74034530 in words is "seventy-four million, thirty-four thousand, five hundred thirty".