74713120 has 24 divisors (see below), whose sum is σ = 176510124. Its totient is φ = 29885184.

The previous prime is 74713109. The next prime is 74713129. The reversal of 74713120 is 2131747.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73205136 + 1507984 = 8556^2 + 1228^2 .

It is not an unprimeable number, because it can be changed into a prime (74713129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233319 + ... + 233638.

Almost surely, 2^74713120 is an apocalyptic number.

It is an amenable number.

74713120 is an abundant number, since it is smaller than the sum of its proper divisors (101797004).

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

74713120 is a wasteful number, since it uses less digits than its factorization.

74713120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466972 (or 466964 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 74713120 is about 8643.6751442890. The cubic root of 74713120 is about 421.1779479182.

Adding to 74713120 its reverse (2131747), we get a palindrome (76844867).

The spelling of 74713120 in words is "seventy-four million, seven hundred thirteen thousand, one hundred twenty".