801743670 has 320 divisors, whose sum is σ = 2707689600. Its totient is φ = 165722112.

The previous prime is 801743659. The next prime is 801743671. The reversal of 801743670 is 76347108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801743671) 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 159 ways as a sum of consecutive naturals, for example, 5380756 + ... + 5380904.

It is an arithmetic number, because the mean of its divisors is an integer number (8461530).

Almost surely, 2^801743670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801743670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353844800).

801743670 is an abundant number, since it is smaller than the sum of its proper divisors (1905945930).

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

801743670 is a wasteful number, since it uses less digits than its factorization.

801743670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 801743670 is about 28315.0784918566. The cubic root of 801743670 is about 928.9917272409.

The spelling of 801743670 in words is "eight hundred one million, seven hundred forty-three thousand, six hundred seventy".