74145022 has 16 divisors (see below), whose sum is σ = 127820160. Its totient is φ = 31597848.

The previous prime is 74145017. The next prime is 74145023. The reversal of 74145022 is 22054147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74145023) 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 7 ways as a sum of consecutive naturals, for example, 12288 + ... + 17299.

It is an arithmetic number, because the mean of its divisors is an integer number (7988760).

Almost surely, 2^74145022 is an apocalyptic number.

74145022 is a deficient number, since it is larger than the sum of its proper divisors (53675138).

74145022 is a wasteful number, since it uses less digits than its factorization.

74145022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29775.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 74145022 is about 8610.7503738060. The cubic root of 74145022 is about 420.1077236909.

Adding to 74145022 its reverse (22054147), we get a palindrome (96199169).

The spelling of 74145022 in words is "seventy-four million, one hundred forty-five thousand, twenty-two".