801700740 has 144 divisors (see below), whose sum is σ = 2534995008. Its totient is φ = 212678784.

The previous prime is 801700727. The next prime is 801700741. The reversal of 801700740 is 47007108.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (801700741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1423699 + ... + 1424261.

It is an arithmetic number, because the mean of its divisors is an integer number (17604132).

Almost surely, 2^801700740 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 801700740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267497504).

801700740 is an abundant number, since it is smaller than the sum of its proper divisors (1733294268).

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

801700740 is a wasteful number, since it uses less digits than its factorization.

801700740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 801700740 is about 28314.3204050530. The cubic root of 801700740 is about 928.9751457456.

Adding to 801700740 its reverse (47007108), we get a palindrome (848707848).

The spelling of 801700740 in words is "eight hundred one million, seven hundred thousand, seven hundred forty".