82301782 has 4 divisors (see below), whose sum is σ = 123452676. Its totient is φ = 41150890.

The previous prime is 82301731. The next prime is 82301819. The reversal of 82301782 is 28710328.

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

It is a super-3 number, since 3×82301782³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20575444 + ... + 20575447.

It is an arithmetic number, because the mean of its divisors is an integer number (30863169).

Almost surely, 2^82301782 is an apocalyptic number.

82301782 is a deficient number, since it is larger than the sum of its proper divisors (41150894).

82301782 is a wasteful number, since it uses less digits than its factorization.

82301782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41150893.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 82301782 is about 9072.0329584939. The cubic root of 82301782 is about 434.9804580114.

The spelling of 82301782 in words is "eighty-two million, three hundred one thousand, seven hundred eighty-two".