82661074 has 8 divisors (see below), whose sum is σ = 124097148. Its totient is φ = 41295360.

The previous prime is 82661063. The next prime is 82661081. The reversal of 82661074 is 47016628.

It can be written as a sum of positive squares in 2 ways, for example, as 72131049 + 10530025 = 8493^2 + 3245^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14547 + ... + 19414.

Almost surely, 2^82661074 is an apocalyptic number.

82661074 is a deficient number, since it is larger than the sum of its proper divisors (41436074).

82661074 is a wasteful number, since it uses less digits than its factorization.

82661074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35180.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 82661074 is about 9091.8135704600. The cubic root of 82661074 is about 435.6125144988.

The spelling of 82661074 in words is "eighty-two million, six hundred sixty-one thousand, seventy-four".