74012120 has 64 divisors (see below), whose sum is σ = 204966720. Its totient is φ = 23422464.

The previous prime is 74012111. The next prime is 74012123. The reversal of 74012120 is 2121047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74012123) 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 15 ways as a sum of consecutive naturals, for example, 6527 + ... + 13806.

It is an arithmetic number, because the mean of its divisors is an integer number (3202605).

Almost surely, 2^74012120 is an apocalyptic number.

74012120 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74012120 is an abundant number, since it is smaller than the sum of its proper divisors (130954600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74012120 is a wasteful number, since it uses less digits than its factorization.

74012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364 (or 20360 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 74012120 is about 8603.0296988910. The cubic root of 74012120 is about 419.8565647773.

Adding to 74012120 its reverse (2121047), we get a palindrome (76133167).

The spelling of 74012120 in words is "seventy-four million, twelve thousand, one hundred twenty".