708437 has 2 divisors, whose sum is σ = 708438. Its totient is φ = 708436.

The previous prime is 708403. The next prime is 708457. The reversal of 708437 is 734807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707281 + 1156 = 841^2 + 34^2 .

It is an emirp because it is prime and its reverse (734807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 708437 - 2¹⁸ = 446293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354218 + 354219.

It is an arithmetic number, because the mean of its divisors is an integer number (354219).

2⁷⁰⁸⁴³⁷ is an apocalyptic number.

It is an amenable number.

708437 is a deficient number, since it is larger than the sum of its proper divisors (1).

708437 is an equidigital number, since it uses as much as digits as its factorization.

708437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 708437 is about 841.6869964541. The cubic root of 708437 is about 89.1457025083.

The spelling of 708437 in words is "seven hundred eight thousand, four hundred thirty-seven".