728074674 has 48 divisors (see below), whose sum is σ = 1701841752. Its totient is φ = 224100864.

The previous prime is 728074663. The next prime is 728074681. The reversal of 728074674 is 476470827.

728074674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 718508025 + 9566649 = 26805^2 + 3093^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6229 + ... + 38664.

Almost surely, 2^728074674 is an apocalyptic number.

728074674 is an abundant number, since it is smaller than the sum of its proper divisors (973767078).

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

728074674 is a wasteful number, since it uses less digits than its factorization.

728074674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44971 (or 44968 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The square root of 728074674 is about 26982.8588922671. The cubic root of 728074674 is about 899.6190461793.

The spelling of 728074674 in words is "seven hundred twenty-eight million, seventy-four thousand, six hundred seventy-four".