801420738 has 16 divisors (see below), whose sum is σ = 1633084416. Its totient is φ = 262099760.

The previous prime is 801420731. The next prime is 801420743. The reversal of 801420738 is 837024108.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 801420699 and 801420708.

It is not an unprimeable number, because it can be changed into a prime (801420731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259778 + ... + 1260413.

It is an arithmetic number, because the mean of its divisors is an integer number (102067776).

Almost surely, 2^801420738 is an apocalyptic number.

801420738 is an abundant number, since it is smaller than the sum of its proper divisors (831663678).

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

801420738 is a wasteful number, since it uses less digits than its factorization.

801420738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520249.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 801420738 is about 28309.3754434816. The cubic root of 801420738 is about 928.8669818659.

The spelling of 801420738 in words is "eight hundred one million, four hundred twenty thousand, seven hundred thirty-eight".