74081284 has 6 divisors (see below), whose sum is σ = 129642254. Its totient is φ = 37040640.

The previous prime is 74081281. The next prime is 74081299. The reversal of 74081284 is 48218047.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 28922884 = 6720^2 + 5378^2 .

It is not an unprimeable number, because it can be changed into a prime (74081281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9260157 + ... + 9260164.

Almost surely, 2^74081284 is an apocalyptic number.

It is an amenable number.

74081284 is a deficient number, since it is larger than the sum of its proper divisors (55560970).

74081284 is a wasteful number, since it uses less digits than its factorization.

74081284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18520325 (or 18520323 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 74081284 is about 8607.0485068925. The cubic root of 74081284 is about 419.9873087624.

The spelling of 74081284 in words is "seventy-four million, eighty-one thousand, two hundred eighty-four".