82454572 has 24 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 40435920.

The previous prime is 82454557. The next prime is 82454587. The reversal of 82454572 is 27545428.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82454557) and next prime (82454587).

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 in 7 ways as a sum of consecutive naturals, for example, 63829 + ... + 65107.

It is an arithmetic number, because the mean of its divisors is an integer number (6128640).

Almost surely, 2^82454572 is an apocalyptic number.

It is an amenable number.

82454572 is a deficient number, since it is larger than the sum of its proper divisors (64632788).

82454572 is a wasteful number, since it uses less digits than its factorization.

82454572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1579 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 82454572 is about 9080.4499888497. The cubic root of 82454572 is about 435.2494662789.

The spelling of 82454572 in words is "eighty-two million, four hundred fifty-four thousand, five hundred seventy-two".