74214530 has 16 divisors (see below), whose sum is σ = 143862264. Its totient is φ = 27402240.

The previous prime is 74214529. The next prime is 74214541. The reversal of 74214530 is 3541247.

It can be written as a sum of positive squares in 4 ways, for example, as 34234201 + 39980329 = 5851^2 + 6323^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 74214530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285311 + ... + 285570.

Almost surely, 2^74214530 is an apocalyptic number.

74214530 is a deficient number, since it is larger than the sum of its proper divisors (69647734).

74214530 is a wasteful number, since it uses less digits than its factorization.

74214530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570901.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 74214530 is about 8614.7855457928. The cubic root of 74214530 is about 420.2389607663.

Adding to 74214530 its reverse (3541247), we get a palindrome (77755777).

The spelling of 74214530 in words is "seventy-four million, two hundred fourteen thousand, five hundred thirty".