82393706 has 4 divisors (see below), whose sum is σ = 123590562. Its totient is φ = 41196852.

The previous prime is 82393699. The next prime is 82393741. The reversal of 82393706 is 60739328.

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., 68740681 + 13653025 = 8291^2 + 3695^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82393706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20598425 + ... + 20598428.

Almost surely, 2^82393706 is an apocalyptic number.

82393706 is a deficient number, since it is larger than the sum of its proper divisors (41196856).

82393706 is a wasteful number, since it uses less digits than its factorization.

82393706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41196855.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 82393706 is about 9077.0978842359. The cubic root of 82393706 is about 435.1423429882.

The spelling of 82393706 in words is "eighty-two million, three hundred ninety-three thousand, seven hundred six".