74840122 has 16 divisors (see below), whose sum is σ = 131765760. Its totient is φ = 31207248.

The previous prime is 74840113. The next prime is 74840147. The reversal of 74840122 is 22104847.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71722 + ... + 72757.

It is an arithmetic number, because the mean of its divisors is an integer number (8235360).

Almost surely, 2^74840122 is an apocalyptic number.

74840122 is a deficient number, since it is larger than the sum of its proper divisors (56925638).

74840122 is a wasteful number, since it uses less digits than its factorization.

74840122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144525.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 74840122 is about 8651.0185527486. The cubic root of 74840122 is about 421.4164609644.

Adding to 74840122 its reverse (22104847), we get a palindrome (96944969).

The spelling of 74840122 in words is "seventy-four million, eight hundred forty thousand, one hundred twenty-two".