712763705 has 4 divisors (see below), whose sum is σ = 855316452. Its totient is φ = 570210960.

The previous prime is 712763699. The next prime is 712763707. The reversal of 712763705 is 507367217.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136235584 + 576528121 = 11672^2 + 24011^2 .

It is not a de Polignac number, because 712763705 - 2¹⁶ = 712698169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712763707) 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, 71276366 + ... + 71276375.

It is an arithmetic number, because the mean of its divisors is an integer number (213829113).

Almost surely, 2^712763705 is an apocalyptic number.

It is an amenable number.

712763705 is a deficient number, since it is larger than the sum of its proper divisors (142552747).

712763705 is a wasteful number, since it uses less digits than its factorization.

712763705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142552746.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 712763705 is about 26697.6348203357. The cubic root of 712763705 is about 893.2681698434.

The spelling of 712763705 in words is "seven hundred twelve million, seven hundred sixty-three thousand, seven hundred five".