84637682 has 4 divisors (see below), whose sum is σ = 126956526. Its totient is φ = 42318840.

The previous prime is 84637667. The next prime is 84637687. The reversal of 84637682 is 28673648.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84290761 + 346921 = 9181^2 + 589^2 .

It is not an unprimeable number, because it can be changed into a prime (84637687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21159419 + ... + 21159422.

Almost surely, 2^84637682 is an apocalyptic number.

84637682 is a deficient number, since it is larger than the sum of its proper divisors (42318844).

84637682 is a wasteful number, since it uses less digits than its factorization.

84637682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42318843.

The product of its digits is 387072, while the sum is 44.

The square root of 84637682 is about 9199.8740208766. The cubic root of 84637682 is about 439.0573517640.

The spelling of 84637682 in words is "eighty-four million, six hundred thirty-seven thousand, six hundred eighty-two".