84732681 has 16 divisors (see below), whose sum is σ = 125872128. Its totient is φ = 50259600.

The previous prime is 84732677. The next prime is 84732727. The reversal of 84732681 is 18623748.

It is not a de Polignac number, because 84732681 - 2² = 84732677 is a prime.

It is a super-2 number, since 2×84732681² = 14359254458895522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84732631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25765 + ... + 28866.

It is an arithmetic number, because the mean of its divisors is an integer number (7867008).

Almost surely, 2^84732681 is an apocalyptic number.

It is an amenable number.

84732681 is a deficient number, since it is larger than the sum of its proper divisors (41139447).

84732681 is a wasteful number, since it uses less digits than its factorization.

84732681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54692.

The product of its digits is 64512, while the sum is 39.

The square root of 84732681 is about 9205.0356327393. The cubic root of 84732681 is about 439.2215592136.

The spelling of 84732681 in words is "eighty-four million, seven hundred thirty-two thousand, six hundred eighty-one".