801420726 has 8 divisors (see below), whose sum is σ = 1602841464. Its totient is φ = 267140240.

The previous prime is 801420707. The next prime is 801420731. The reversal of 801420726 is 627024108.

It is a sphenic number, since it is the product of 3 distinct primes.

801420726 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 801420693 and 801420702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66785055 + ... + 66785066.

It is an arithmetic number, because the mean of its divisors is an integer number (200355183).

Almost surely, 2^801420726 is an apocalyptic number.

801420726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

801420726 is a wasteful number, since it uses less digits than its factorization.

801420726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133570126.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 801420726 is about 28309.3752315377. The cubic root of 801420726 is about 928.8669772298.

The spelling of 801420726 in words is "eight hundred one million, four hundred twenty thousand, seven hundred twenty-six".