809674752 has 48 divisors (see below), whose sum is σ = 2158621920. Its totient is φ = 269889536.

The previous prime is 809674703. The next prime is 809674763. The reversal of 809674752 is 257476908.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59748 + ... + 72035.

It is an arithmetic number, because the mean of its divisors is an integer number (44971290).

Almost surely, 2^809674752 is an apocalyptic number.

It is an amenable number.

809674752 is an abundant number, since it is smaller than the sum of its proper divisors (1348947168).

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

809674752 is a wasteful number, since it uses less digits than its factorization.

809674752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131808 (or 131788 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 809674752 is about 28454.7843428834. The cubic root of 809674752 is about 932.0449670384.

The spelling of 809674752 in words is "eight hundred nine million, six hundred seventy-four thousand, seven hundred fifty-two".