81074314 has 8 divisors (see below), whose sum is σ = 125805060. Its totient is φ = 39139296.

The previous prime is 81074293. The next prime is 81074341. The reversal of 81074314 is 41347018.

It can be written as a sum of positive squares in 2 ways, for example, as 74909025 + 6165289 = 8655^2 + 2483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698859 + ... + 698974.

Almost surely, 2^81074314 is an apocalyptic number.

81074314 is a deficient number, since it is larger than the sum of its proper divisors (44730746).

81074314 is a wasteful number, since it uses less digits than its factorization.

81074314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397864.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 81074314 is about 9004.1276090469. The cubic root of 81074314 is about 432.8071508130.

It can be divided in two parts, 8107 and 4314, that added together give a palindrome (12421).

The spelling of 81074314 in words is "eighty-one million, seventy-four thousand, three hundred fourteen".