74406120 has 32 divisors (see below), whose sum is σ = 223218720. Its totient is φ = 19841600.

The previous prime is 74406091. The next prime is 74406121. The reversal of 74406120 is 2160447.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (74406121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309906 + ... + 310145.

It is an arithmetic number, because the mean of its divisors is an integer number (6975585).

Almost surely, 2^74406120 is an apocalyptic number.

It is an amenable number.

74406120 is an abundant number, since it is smaller than the sum of its proper divisors (148812600).

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

74406120 is a wasteful number, since it uses less digits than its factorization.

74406120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620065 (or 620061 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 74406120 is about 8625.8982140992. The cubic root of 74406120 is about 420.6002754481.

Adding to 74406120 its reverse (2160447), we get a palindrome (76566567).

The spelling of 74406120 in words is "seventy-four million, four hundred six thousand, one hundred twenty".