84081374 has 16 divisors (see below), whose sum is σ = 135981888. Its totient is φ = 38761632.

The previous prime is 84081343. The next prime is 84081377. The reversal of 84081374 is 47318048.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84081377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33284 + ... + 35720.

It is an arithmetic number, because the mean of its divisors is an integer number (8498868).

Almost surely, 2^84081374 is an apocalyptic number.

84081374 is a deficient number, since it is larger than the sum of its proper divisors (51900514).

84081374 is a wasteful number, since it uses less digits than its factorization.

84081374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 84081374 is about 9169.5896309486. The cubic root of 84081374 is about 438.0932885813.

The spelling of 84081374 in words is "eighty-four million, eighty-one thousand, three hundred seventy-four".