82176434 has 4 divisors (see below), whose sum is σ = 123264654. Its totient is φ = 41088216.

The previous prime is 82176427. The next prime is 82176467. The reversal of 82176434 is 43467128.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 2209 = 9065^2 + 47^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82176394 and 82176403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20544107 + ... + 20544110.

Almost surely, 2^82176434 is an apocalyptic number.

82176434 is a deficient number, since it is larger than the sum of its proper divisors (41088220).

82176434 is a wasteful number, since it uses less digits than its factorization.

82176434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41088219.

The product of its digits is 32256, while the sum is 35.

The square root of 82176434 is about 9065.1218414316. The cubic root of 82176434 is about 434.7595165240.

The spelling of 82176434 in words is "eighty-two million, one hundred seventy-six thousand, four hundred thirty-four".