802075021 has 16 divisors (see below), whose sum is σ = 914094720. Its totient is φ = 696646720.

The previous prime is 802075013. The next prime is 802075033. The reversal of 802075021 is 120570208.

It is not a de Polignac number, because 802075021 - 2³ = 802075013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802075061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346215 + ... + 348523.

It is an arithmetic number, because the mean of its divisors is an integer number (57130920).

Almost surely, 2^802075021 is an apocalyptic number.

It is an amenable number.

802075021 is a deficient number, since it is larger than the sum of its proper divisors (112019699).

802075021 is a wasteful number, since it uses less digits than its factorization.

802075021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 802075021 is about 28320.9290278409. The cubic root of 802075021 is about 929.1196899771.

The spelling of 802075021 in words is "eight hundred two million, seventy-five thousand, twenty-one".