82075402 has 16 divisors (see below), whose sum is σ = 131531040. Its totient is φ = 38296368.

The previous prime is 82075393. The next prime is 82075417. The reversal of 82075402 is 20457028.

It is a super-2 number, since 2×82075402² = 13472743226923208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13573 + ... + 18664.

It is an arithmetic number, because the mean of its divisors is an integer number (8220690).

Almost surely, 2^82075402 is an apocalyptic number.

82075402 is a deficient number, since it is larger than the sum of its proper divisors (49455638).

82075402 is a wasteful number, since it uses less digits than its factorization.

82075402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32325.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 82075402 is about 9059.5475604469. The cubic root of 82075402 is about 434.5812714371.

The spelling of 82075402 in words is "eighty-two million, seventy-five thousand, four hundred two".