74461281 has 16 divisors (see below), whose sum is σ = 104367744. Its totient is φ = 47129984.

The previous prime is 74461259. The next prime is 74461339. The reversal of 74461281 is 18216447.

It is a cyclic number.

It is not a de Polignac number, because 74461281 - 2⁵ = 74461249 is a prime.

It is a super-2 number, since 2×74461281² = 11088964736321922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74462281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (6522984).

Almost surely, 2^74461281 is an apocalyptic number.

It is an amenable number.

74461281 is a deficient number, since it is larger than the sum of its proper divisors (29906463).

74461281 is a wasteful number, since it uses less digits than its factorization.

74461281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040.

The product of its digits is 10752, while the sum is 33.

The square root of 74461281 is about 8629.0950278694. The cubic root of 74461281 is about 420.7041871553.

The spelling of 74461281 in words is "seventy-four million, four hundred sixty-one thousand, two hundred eighty-one".