701840 has 40 divisors (see below), whose sum is σ = 1690368. Its totient is φ = 270720.

The previous prime is 701837. The next prime is 701863. The reversal of 701840 is 48107.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2339 + ... + 2621.

2⁷⁰¹⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 701840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845184).

701840 is an abundant number, since it is smaller than the sum of its proper divisors (988528).

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

701840 is a wasteful number, since it uses less digits than its factorization.

701840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 321 counting only the distinct ones).

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

The square root of 701840 is about 837.7589152017. The cubic root of 701840 is about 88.8681294114.

Adding to 701840 its reverse (48107), we get a palindrome (749947).

The spelling of 701840 in words is "seven hundred one thousand, eight hundred forty".