84063739 has 4 divisors (see below), whose sum is σ = 84318040. Its totient is φ = 83809440.

The previous prime is 84063719. The next prime is 84063797. The reversal of 84063739 is 93736048.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84063739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84063719) 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, 126654 + ... + 127315.

It is an arithmetic number, because the mean of its divisors is an integer number (21079510).

Almost surely, 2^84063739 is an apocalyptic number.

84063739 is a deficient number, since it is larger than the sum of its proper divisors (254301).

84063739 is a wasteful number, since it uses less digits than its factorization.

84063739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254300.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 84063739 is about 9168.6279780565. The cubic root of 84063739 is about 438.0626582725.

The spelling of 84063739 in words is "eighty-four million, sixty-three thousand, seven hundred thirty-nine".