74226121 has 8 divisors (see below), whose sum is σ = 76745984. Its totient is φ = 71714160.

The previous prime is 74226079. The next prime is 74226209. The reversal of 74226121 is 12162247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74226121 - 2¹⁹ = 73701833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74226421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21886 + ... + 25048.

It is an arithmetic number, because the mean of its divisors is an integer number (9593248).

Almost surely, 2^74226121 is an apocalyptic number.

It is an amenable number.

74226121 is a deficient number, since it is larger than the sum of its proper divisors (2519863).

74226121 is a wasteful number, since it uses less digits than its factorization.

74226121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951.

The product of its digits is 1344, while the sum is 25.

The square root of 74226121 is about 8615.4582582704. The cubic root of 74226121 is about 420.2608375975.

Adding to 74226121 its reverse (12162247), we get a palindrome (86388368).

It can be divided in two parts, 74226 and 121, that added together give a palindrome (74347).

The spelling of 74226121 in words is "seventy-four million, two hundred twenty-six thousand, one hundred twenty-one".