74897118 has 12 divisors (see below), whose sum is σ = 162277128. Its totient is φ = 24965700.

The previous prime is 74897117. The next prime is 74897129. The reversal of 74897118 is 81179847.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74897113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2080458 + ... + 2080493.

It is an arithmetic number, because the mean of its divisors is an integer number (13523094).

Almost surely, 2^74897118 is an apocalyptic number.

74897118 is an abundant number, since it is smaller than the sum of its proper divisors (87380010).

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

74897118 is a wasteful number, since it uses less digits than its factorization.

74897118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160959 (or 4160956 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 74897118 is about 8654.3121043789. The cubic root of 74897118 is about 421.5234132121.

The spelling of 74897118 in words is "seventy-four million, eight hundred ninety-seven thousand, one hundred eighteen".