82526474 has 4 divisors (see below), whose sum is σ = 123789714. Its totient is φ = 41263236.

The previous prime is 82526467. The next prime is 82526491. The reversal of 82526474 is 47462528.

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., 79085449 + 3441025 = 8893^2 + 1855^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20631617 + ... + 20631620.

Almost surely, 2^82526474 is an apocalyptic number.

82526474 is a deficient number, since it is larger than the sum of its proper divisors (41263240).

82526474 is a wasteful number, since it uses less digits than its factorization.

82526474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41263239.

The product of its digits is 107520, while the sum is 38.

The square root of 82526474 is about 9084.4082911327. The cubic root of 82526474 is about 435.3759448721.

The spelling of 82526474 in words is "eighty-two million, five hundred twenty-six thousand, four hundred seventy-four".