801740 has 12 divisors (see below), whose sum is σ = 1683696. Its totient is φ = 320688.

The previous prime is 801733. The next prime is 801761. The reversal of 801740 is 47108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 40087 = 801740 / (8 + 0 + 1 + 7 + 4 + 0).

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 20024 + ... + 20063.

It is an arithmetic number, because the mean of its divisors is an integer number (140308).

2⁸⁰¹⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

801740 is an abundant number, since it is smaller than the sum of its proper divisors (881956).

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

801740 is a wasteful number, since it uses less digits than its factorization.

801740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40096 (or 40094 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 801740 is about 895.3993522446. The cubic root of 801740 is about 92.8990309745.

Adding to 801740 its reverse (47108), we get a palindrome (848848).

The spelling of 801740 in words is "eight hundred one thousand, seven hundred forty".