82074017 has 4 divisors (see below), whose sum is σ = 82426500. Its totient is φ = 81721536.

The previous prime is 82073983. The next prime is 82074049. The reversal of 82074017 is 71047028.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10010896 + 72063121 = 3164^2 + 8489^2 .

It is a cyclic number.

It is not a de Polignac number, because 82074017 - 2¹² = 82069921 is a prime.

It is a super-2 number, since 2×82074017² = 13472288533032578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82074077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175892 + ... + 176357.

It is an arithmetic number, because the mean of its divisors is an integer number (20606625).

Almost surely, 2^82074017 is an apocalyptic number.

It is an amenable number.

82074017 is a deficient number, since it is larger than the sum of its proper divisors (352483).

82074017 is a wasteful number, since it uses less digits than its factorization.

82074017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352482.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 82074017 is about 9059.4711214287. The cubic root of 82074017 is about 434.5788269433.

The spelling of 82074017 in words is "eighty-two million, seventy-four thousand, seventeen".