728624108835372 has 96 divisors (see below), whose sum is σ = 1742782838731200. Its totient is φ = 236788575354880.

The previous prime is 728624108835367. The next prime is 728624108835421. The reversal of 728624108835372 is 273538801426827.

It is a super-2 number, since 2×728624108835372² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10183532254 + ... + 10183603802.

It is an arithmetic number, because the mean of its divisors is an integer number (18153987903450).

Almost surely, 2^{728624108835372} is an apocalyptic number.

It is an amenable number.

728624108835372 is an abundant number, since it is smaller than the sum of its proper divisors (1014158729895828).

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

728624108835372 is a wasteful number, since it uses less digits than its factorization.

728624108835372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85491 (or 85489 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 728624108835372 in words is "seven hundred twenty-eight trillion, six hundred twenty-four billion, one hundred eight million, eight hundred thirty-five thousand, three hundred seventy-two".