74120112 has 120 divisors (see below), whose sum is σ = 229748688. Its totient is φ = 22118400.

The previous prime is 74120093. The next prime is 74120113. The reversal of 74120112 is 21102147.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (74120113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115312 + ... + 115952.

Almost surely, 2^74120112 is an apocalyptic number.

74120112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114874344).

74120112 is an abundant number, since it is smaller than the sum of its proper divisors (155628576).

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

74120112 is a wasteful number, since it uses less digits than its factorization.

74120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 74120112 is about 8609.3038046058. The cubic root of 74120112 is about 420.0606715073.

Adding to 74120112 its reverse (21102147), we get a palindrome (95222259).

The spelling of 74120112 in words is "seventy-four million, one hundred twenty thousand, one hundred twelve".