802721464 has 16 divisors (see below), whose sum is σ = 1533501720. Its totient is φ = 393787680.

The previous prime is 802721429. The next prime is 802721467. The reversal of 802721464 is 464127208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802721467) 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 3 ways as a sum of consecutive naturals, for example, 946182 + ... + 947029.

Almost surely, 2^802721464 is an apocalyptic number.

It is an amenable number.

802721464 is a deficient number, since it is larger than the sum of its proper divisors (730780256).

802721464 is a wasteful number, since it uses less digits than its factorization.

802721464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893270 (or 1893266 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 802721464 is about 28332.3395433558. The cubic root of 802721464 is about 929.3692350596.

The spelling of 802721464 in words is "eight hundred two million, seven hundred twenty-one thousand, four hundred sixty-four".