74827120 has 20 divisors (see below), whose sum is σ = 173973240. Its totient is φ = 29930816.

The previous prime is 74827097. The next prime is 74827121. The reversal of 74827120 is 2172847.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74827121) 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 3 ways as a sum of consecutive naturals, for example, 467590 + ... + 467749.

It is an arithmetic number, because the mean of its divisors is an integer number (8698662).

Almost surely, 2^74827120 is an apocalyptic number.

It is an amenable number.

74827120 is an abundant number, since it is smaller than the sum of its proper divisors (99146120).

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

74827120 is a wasteful number, since it uses less digits than its factorization.

74827120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935352 (or 935346 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 74827120 is about 8650.2670479009. The cubic root of 74827120 is about 421.3920552757.

Adding to 74827120 its reverse (2172847), we get a palindrome (76999967).

It can be divided in two parts, 74827 and 120, that added together give a palindrome (74947).

The spelling of 74827120 in words is "seventy-four million, eight hundred twenty-seven thousand, one hundred twenty".