712684087 has 4 divisors (see below), whose sum is σ = 713786256. Its totient is φ = 711581920.

The previous prime is 712684051. The next prime is 712684097. The reversal of 712684087 is 780486217.

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-712684087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712684097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550114 + ... + 551407.

It is an arithmetic number, because the mean of its divisors is an integer number (178446564).

Almost surely, 2^712684087 is an apocalyptic number.

712684087 is a deficient number, since it is larger than the sum of its proper divisors (1102169).

712684087 is a wasteful number, since it uses less digits than its factorization.

712684087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102168.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 712684087 is about 26696.1436728229. The cubic root of 712684087 is about 893.2349082950.

The spelling of 712684087 in words is "seven hundred twelve million, six hundred eighty-four thousand, eighty-seven".