82474472 has 32 divisors (see below), whose sum is σ = 158613120. Its totient is φ = 40185600.

The previous prime is 82474471. The next prime is 82474487. The reversal of 82474472 is 27447428.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82474471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150503 + ... + 151049.

It is an arithmetic number, because the mean of its divisors is an integer number (4956660).

Almost surely, 2^82474472 is an apocalyptic number.

It is an amenable number.

82474472 is a deficient number, since it is larger than the sum of its proper divisors (76138648).

82474472 is a wasteful number, since it uses less digits than its factorization.

82474472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 997 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 82474472 is about 9081.5456834176. The cubic root of 82474472 is about 435.2844785588.

The spelling of 82474472 in words is "eighty-two million, four hundred seventy-four thousand, four hundred seventy-two".