82748522 has 4 divisors (see below), whose sum is σ = 124122786. Its totient is φ = 41374260.

The previous prime is 82748521. The next prime is 82748527. The reversal of 82748522 is 22584728.

It is a happy number.

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., 45306361 + 37442161 = 6731^2 + 6119^2 .

It is not an unprimeable number, because it can be changed into a prime (82748521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20687129 + ... + 20687132.

Almost surely, 2^82748522 is an apocalyptic number.

82748522 is a deficient number, since it is larger than the sum of its proper divisors (41374264).

82748522 is a wasteful number, since it uses less digits than its factorization.

82748522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41374263.

The product of its digits is 71680, while the sum is 38.

The square root of 82748522 is about 9096.6214607402. The cubic root of 82748522 is about 435.7660733469.

The spelling of 82748522 in words is "eighty-two million, seven hundred forty-eight thousand, five hundred twenty-two".