828646072 has 8 divisors (see below), whose sum is σ = 1553711400. Its totient is φ = 414323032.

The previous prime is 828646061. The next prime is 828646073. The reversal of 828646072 is 270646828.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828646073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51790372 + ... + 51790387.

It is an arithmetic number, because the mean of its divisors is an integer number (194213925).

Almost surely, 2^828646072 is an apocalyptic number.

It is an amenable number.

828646072 is a deficient number, since it is larger than the sum of its proper divisors (725065328).

828646072 is a wasteful number, since it uses less digits than its factorization.

828646072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103580765 (or 103580761 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 828646072 is about 28786.2132278631. The cubic root of 828646072 is about 939.2683577957.

It can be divided in two parts, 82864607 and 2, that added together give a square (82864609 = 9103²).

The spelling of 828646072 in words is "eight hundred twenty-eight million, six hundred forty-six thousand, seventy-two".