712708285 has 4 divisors (see below), whose sum is σ = 855249948. Its totient is φ = 570166624.

The previous prime is 712708261. The next prime is 712708307. The reversal of 712708285 is 582807217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582807217 = 709 ⋅822013.

It can be written as a sum of positive squares in 2 ways, for example, as 568059556 + 144648729 = 23834^2 + 12027^2 .

It is a cyclic number.

It is not a de Polignac number, because 712708285 - 2⁵ = 712708253 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71270824 + ... + 71270833.

It is an arithmetic number, because the mean of its divisors is an integer number (213812487).

Almost surely, 2^712708285 is an apocalyptic number.

It is an amenable number.

712708285 is a deficient number, since it is larger than the sum of its proper divisors (142541663).

712708285 is a wasteful number, since it uses less digits than its factorization.

712708285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142541662.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 712708285 is about 26696.5968805015. The cubic root of 712708285 is about 893.2450176146.

The spelling of 712708285 in words is "seven hundred twelve million, seven hundred eight thousand, two hundred eighty-five".