873749 has 8 divisors (see below), whose sum is σ = 936000. Its totient is φ = 812736.

The previous prime is 873739. The next prime is 873767. The reversal of 873749 is 947378.

873749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-873749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (117000).

2⁸⁷³⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

873749 is a deficient number, since it is larger than the sum of its proper divisors (62251).

873749 is a wasteful number, since it uses less digits than its factorization.

873749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619.

The product of its digits is 42336, while the sum is 38.

The square root of 873749 is about 934.7454198871. The cubic root of 873749 is about 95.6009549807.

The spelling of 873749 in words is "eight hundred seventy-three thousand, seven hundred forty-nine".