74120 has 32 divisors (see below), whose sum is σ = 178200. Its totient is φ = 27648.

The previous prime is 74101. The next prime is 74131. The reversal of 74120 is 2147.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70756 + 3364 = 266^2 + 58^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74095 and 74104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626 + ... + 734.

2⁷⁴¹²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89100).

74120 is an abundant number, since it is smaller than the sum of its proper divisors (104080).

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

74120 is a wasteful number, since it uses less digits than its factorization.

74120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 74120 is about 272.2498852158. The cubic root of 74120 is about 42.0060459928.

Adding to 74120 its reverse (2147), we get a palindrome (76267).

The spelling of 74120 in words is "seventy-four thousand, one hundred twenty", and thus it is an iban number.