713215828 has 36 divisors (see below), whose sum is σ = 1384540668. Its totient is φ = 321135360.

The previous prime is 713215823. The next prime is 713215831. The reversal of 713215828 is 828512317.

It can be written as a sum of positive squares in 6 ways, for example, as 463196484 + 250019344 = 21522^2 + 15812^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713215823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14850 + ... + 40582.

It is an arithmetic number, because the mean of its divisors is an integer number (38459463).

Almost surely, 2^713215828 is an apocalyptic number.

It is an amenable number.

713215828 is a deficient number, since it is larger than the sum of its proper divisors (671324840).

713215828 is a wasteful number, since it uses less digits than its factorization.

713215828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25804 (or 25789 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 713215828 is about 26706.1009509063. The cubic root of 713215828 is about 893.4570036826.

The spelling of 713215828 in words is "seven hundred thirteen million, two hundred fifteen thousand, eight hundred twenty-eight".