74270120 has 16 divisors (see below), whose sum is σ = 167107860. Its totient is φ = 29708032.

The previous prime is 74270117. The next prime is 74270129. The reversal of 74270120 is 2107247.

It can be written as a sum of positive squares in 2 ways, for example, as 74269924 + 196 = 8618^2 + 14^2 .

It is not an unprimeable number, because it can be changed into a prime (74270129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928337 + ... + 928416.

Almost surely, 2^74270120 is an apocalyptic number.

It is an amenable number.

74270120 is an abundant number, since it is smaller than the sum of its proper divisors (92837740).

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

74270120 is a wasteful number, since it uses less digits than its factorization.

74270120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856764 (or 1856760 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 74270120 is about 8618.0113715404. The cubic root of 74270120 is about 420.3438605005.

Adding to 74270120 its reverse (2107247), we get a palindrome (76377367).

The spelling of 74270120 in words is "seventy-four million, two hundred seventy thousand, one hundred twenty".