74203130 has 64 divisors (see below), whose sum is σ = 148925952. Its totient is φ = 26496000.

The previous prime is 74203123. The next prime is 74203133. The reversal of 74203130 is 3130247.

It is a super-2 number, since 2×74203130² = 11012209003593800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74203133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295505 + ... + 295755.

It is an arithmetic number, because the mean of its divisors is an integer number (2326968).

Almost surely, 2^74203130 is an apocalyptic number.

74203130 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

74203130 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (74203129) it forms an eRAP, since the sums of their prime factors are consecutive (358 and 359).

74203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 74203130 is about 8614.1238672311. The cubic root of 74203130 is about 420.2174422062.

Adding to 74203130 its reverse (3130247), we get a palindrome (77333377).

The spelling of 74203130 in words is "seventy-four million, two hundred three thousand, one hundred thirty".