84703681 has 4 divisors (see below), whose sum is σ = 85313200. Its totient is φ = 84094164.

The previous prime is 84703667. The next prime is 84703709. The reversal of 84703681 is 18630748.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84703681 - 2¹³ = 84695489 is a prime.

It is a super-2 number, since 2×84703681² = 14349427149899522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84703681.

It is not an unprimeable number, because it can be changed into a prime (84703081) 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, 304551 + ... + 304828.

It is an arithmetic number, because the mean of its divisors is an integer number (21328300).

Almost surely, 2^84703681 is an apocalyptic number.

It is an amenable number.

84703681 is a deficient number, since it is larger than the sum of its proper divisors (609519).

84703681 is a wasteful number, since it uses less digits than its factorization.

84703681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609518.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 84703681 is about 9203.4602731799. The cubic root of 84703681 is about 439.1714452218.

The spelling of 84703681 in words is "eighty-four million, seven hundred three thousand, six hundred eighty-one".