74391230 has 16 divisors (see below), whose sum is σ = 134805600. Its totient is φ = 29556192.

The previous prime is 74391221. The next prime is 74391259. The reversal of 74391230 is 3219347.

It is a junction number, because it is equal to n+sod(n) for n = 74391193 and 74391202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23474 + ... + 26453.

It is an arithmetic number, because the mean of its divisors is an integer number (8425350).

Almost surely, 2^74391230 is an apocalyptic number.

74391230 is a deficient number, since it is larger than the sum of its proper divisors (60414370).

74391230 is a wasteful number, since it uses less digits than its factorization.

74391230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50083.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 74391230 is about 8625.0350723925. The cubic root of 74391230 is about 420.5722170218.

The spelling of 74391230 in words is "seventy-four million, three hundred ninety-one thousand, two hundred thirty".