802942731 has 12 divisors (see below), whose sum is σ = 1160072160. Its totient is φ = 535172400.

The previous prime is 802942709. The next prime is 802942769. The reversal of 802942731 is 137249208.

It is not a de Polignac number, because 802942731 - 2¹⁹ = 802418443 is a prime.

It is a super-2 number, since 2×802942731² = 1289434058531476722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (802942771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49630 + ... + 63788.

It is an arithmetic number, because the mean of its divisors is an integer number (96672680).

Almost surely, 2^802942731 is an apocalyptic number.

802942731 is a deficient number, since it is larger than the sum of its proper divisors (357129429).

802942731 is a wasteful number, since it uses less digits than its factorization.

802942731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20466 (or 20463 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 802942731 is about 28336.2441230308. The cubic root of 802942731 is about 929.4546195341.

The spelling of 802942731 in words is "eight hundred two million, nine hundred forty-two thousand, seven hundred thirty-one".