82174274 has 48 divisors (see below), whose sum is σ = 157458168. Its totient is φ = 31868928.

The previous prime is 82174249. The next prime is 82174303. The reversal of 82174274 is 47247128.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59182249 + 22992025 = 7693^2 + 4795^2 .

It is a super-2 number, since 2×82174274² = 13505222614854152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66914 + ... + 68130.

Almost surely, 2^82174274 is an apocalyptic number.

82174274 is a deficient number, since it is larger than the sum of its proper divisors (75283894).

82174274 is a wasteful number, since it uses less digits than its factorization.

82174274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1292 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 82174274 is about 9065.0027027023. The cubic root of 82174274 is about 434.7557072860.

The spelling of 82174274 in words is "eighty-two million, one hundred seventy-four thousand, two hundred seventy-four".