82472506 has 4 divisors (see below), whose sum is σ = 123708762. Its totient is φ = 41236252.

The previous prime is 82472479. The next prime is 82472527. The reversal of 82472506 is 60527428.

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., 69806025 + 12666481 = 8355^2 + 3559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20618125 + ... + 20618128.

Almost surely, 2^82472506 is an apocalyptic number.

82472506 is a deficient number, since it is larger than the sum of its proper divisors (41236256).

82472506 is a wasteful number, since it uses less digits than its factorization.

82472506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41236255.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 82472506 is about 9081.4374412865. The cubic root of 82472506 is about 435.2810198074.

The spelling of 82472506 in words is "eighty-two million, four hundred seventy-two thousand, five hundred six".