84537634 has 16 divisors (see below), whose sum is σ = 135655128. Its totient is φ = 39370752.

The previous prime is 84537611. The next prime is 84537647. The reversal of 84537634 is 43673548.

It can be written as a sum of positive squares in 4 ways, for example, as 74909025 + 9628609 = 8655^2 + 3103^2 .

It is a super-2 number, since 2×84537634² = 14293223124635912, which contains 22 as substring.

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, 9519 + ... + 16114.

Almost surely, 2^84537634 is an apocalyptic number.

84537634 is a deficient number, since it is larger than the sum of its proper divisors (51117494).

84537634 is a wasteful number, since it uses less digits than its factorization.

84537634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25749.

The product of its digits is 241920, while the sum is 40.

The square root of 84537634 is about 9194.4349472928. The cubic root of 84537634 is about 438.8842841322.

The spelling of 84537634 in words is "eighty-four million, five hundred thirty-seven thousand, six hundred thirty-four".