874729 has 2 divisors, whose sum is σ = 874730. Its totient is φ = 874728.

The previous prime is 874723. The next prime is 874739. The reversal of 874729 is 927478.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 304704 = 755^2 + 552^2 .

It is a cyclic number.

It is not a de Polignac number, because 874729 - 2³ = 874721 is a prime.

It is an alternating number because its digits alternate between even and odd.

874729 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (874721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437364 + 437365.

It is an arithmetic number, because the mean of its divisors is an integer number (437365).

2⁸⁷⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

874729 is a deficient number, since it is larger than the sum of its proper divisors (1).

874729 is an equidigital number, since it uses as much as digits as its factorization.

874729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 874729 is about 935.2694798827. The cubic root of 874729 is about 95.6366837505.

The spelling of 874729 in words is "eight hundred seventy-four thousand, seven hundred twenty-nine".