873730 has 48 divisors (see below), whose sum is σ = 1897344. Its totient is φ = 287040.

The previous prime is 873727. The next prime is 873739. The reversal of 873730 is 37378.

It is a super-2 number, since 2×873730² = 1526808225800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (873739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18567 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (39528).

2⁸⁷³⁷³⁰ is an apocalyptic number.

873730 is an abundant number, since it is smaller than the sum of its proper divisors (1023614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873730 is a wasteful number, since it uses less digits than its factorization.

873730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 873730 is about 934.7352566369. The cubic root of 873730 is about 95.6002620162.

The spelling of 873730 in words is "eight hundred seventy-three thousand, seven hundred thirty".