82557634 has 8 divisors (see below), whose sum is σ = 124284348. Its totient is φ = 41129520.

The previous prime is 82557551. The next prime is 82557637. The reversal of 82557634 is 43675528.

It can be written as a sum of positive squares in 2 ways, for example, as 79263409 + 3294225 = 8903^2 + 1815^2 .

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

It is not an unprimeable number, because it can be changed into a prime (82557637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73957 + ... + 75064.

Almost surely, 2^82557634 is an apocalyptic number.

82557634 is a deficient number, since it is larger than the sum of its proper divisors (41726714).

82557634 is a wasteful number, since it uses less digits than its factorization.

82557634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149300.

The product of its digits is 201600, while the sum is 40.

The square root of 82557634 is about 9086.1231556699. The cubic root of 82557634 is about 435.4307337849.

The spelling of 82557634 in words is "eighty-two million, five hundred fifty-seven thousand, six hundred thirty-four".