830636672 has 16 divisors (see below), whose sum is σ = 1654784250. Its totient is φ = 415318272.

The previous prime is 830636663. The next prime is 830636683. The reversal of 830636672 is 276636038.

It can be written as a sum of positive squares in only one way, i.e., 464143936 + 366492736 = 21544^2 + 19144^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244547 + ... + 3244802.

Almost surely, 2^830636672 is an apocalyptic number.

It is an amenable number.

830636672 is a deficient number, since it is larger than the sum of its proper divisors (824147578).

830636672 is an equidigital number, since it uses as much as digits as its factorization.

830636672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489363 (or 6489351 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 830636672 is about 28820.7680674891. The cubic root of 830636672 is about 940.0198698078.

The spelling of 830636672 in words is "eight hundred thirty million, six hundred thirty-six thousand, six hundred seventy-two".