82902745 has 8 divisors (see below), whose sum is σ = 99803016. Its totient is φ = 66109056.

The previous prime is 82902739. The next prime is 82902769. The reversal of 82902745 is 54720928.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 79762761 = 1772^2 + 8931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82902745 - 2¹⁷ = 82771673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24922 + ... + 28051.

It is an arithmetic number, because the mean of its divisors is an integer number (12475377).

Almost surely, 2^82902745 is an apocalyptic number.

It is an amenable number.

82902745 is a deficient number, since it is larger than the sum of its proper divisors (16900271).

82902745 is a wasteful number, since it uses less digits than its factorization.

82902745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53291.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 82902745 is about 9105.0944531070. The cubic root of 82902745 is about 436.0366257844.

The spelling of 82902745 in words is "eighty-two million, nine hundred two thousand, seven hundred forty-five".