872737 has 2 divisors, whose sum is σ = 872738. Its totient is φ = 872736.

The previous prime is 872731. The next prime is 872747. The reversal of 872737 is 737278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633616 + 239121 = 796^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 872737 - 2⁷ = 872609 is a prime.

It is not a weakly prime, because it can be changed into another prime (872731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436368 + 436369.

It is an arithmetic number, because the mean of its divisors is an integer number (436369).

2⁸⁷²⁷³⁷ is an apocalyptic number.

It is an amenable number.

872737 is a deficient number, since it is larger than the sum of its proper divisors (1).

872737 is an equidigital number, since it uses as much as digits as its factorization.

872737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 34.

The square root of 872737 is about 934.2039391910. The cubic root of 872737 is about 95.5640315078.

The spelling of 872737 in words is "eight hundred seventy-two thousand, seven hundred thirty-seven".