84274774 has 16 divisors (see below), whose sum is σ = 129402000. Its totient is φ = 41150304.

The previous prime is 84274769. The next prime is 84274793. The reversal of 84274774 is 47747248.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84274774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16252 + ... + 20800.

It is an arithmetic number, because the mean of its divisors is an integer number (8087625).

Almost surely, 2^84274774 is an apocalyptic number.

84274774 is a deficient number, since it is larger than the sum of its proper divisors (45127226).

84274774 is a wasteful number, since it uses less digits than its factorization.

84274774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767.

The product of its digits is 351232, while the sum is 43.

The square root of 84274774 is about 9180.1293019216. The cubic root of 84274774 is about 438.4289251954.

The spelling of 84274774 in words is "eighty-four million, two hundred seventy-four thousand, seven hundred seventy-four".