728072652 has 48 divisors (see below), whose sum is σ = 1727857152. Its totient is φ = 238560960.

The previous prime is 728072641. The next prime is 728072669. The reversal of 728072652 is 256270827.

It is a self number, because there is not a number n which added to its sum of digits gives 728072652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659533 + ... + 660635.

It is an arithmetic number, because the mean of its divisors is an integer number (35997024).

Almost surely, 2^728072652 is an apocalyptic number.

It is an amenable number.

728072652 is an abundant number, since it is smaller than the sum of its proper divisors (999784500).

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

728072652 is a wasteful number, since it uses less digits than its factorization.

728072652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 728072652 is about 26982.8214240098. The cubic root of 728072652 is about 899.6182133748.

The spelling of 728072652 in words is "seven hundred twenty-eight million, seventy-two thousand, six hundred fifty-two".