712878 has 32 divisors (see below), whose sum is σ = 1568160. Its totient is φ = 215040.

The previous prime is 712847. The next prime is 712883. The reversal of 712878 is 878217.

712878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838 + ... + 3078.

It is an arithmetic number, because the mean of its divisors is an integer number (49005).

2⁷¹²⁸⁷⁸ is an apocalyptic number.

712878 is an abundant number, since it is smaller than the sum of its proper divisors (855282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712878 is a wasteful number, since it uses less digits than its factorization.

712878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its digits is 6272, while the sum is 33.

The square root of 712878 is about 844.3210289931. The cubic root of 712878 is about 89.3315913870.

The spelling of 712878 in words is "seven hundred twelve thousand, eight hundred seventy-eight".