728053050 has 96 divisors (see below), whose sum is σ = 1948214592. Its totient is φ = 179246080.

The previous prime is 728053049. The next prime is 728053061. The reversal of 728053050 is 50350827.

It is a happy number.

It is a super-2 number, since 2×728053050² = 1060122487228605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 728052999 and 728053017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132457 + ... + 137843.

It is an arithmetic number, because the mean of its divisors is an integer number (20293902).

Almost surely, 2^728053050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728053050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974107296).

728053050 is an abundant number, since it is smaller than the sum of its proper divisors (1220161542).

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

728053050 is a wasteful number, since it uses less digits than its factorization.

728053050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 728053050 is about 26982.4581904614. The cubic root of 728053050 is about 899.6101397875.

It can be divided in two parts, 72805 and 3050, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 728053050 in words is "seven hundred twenty-eight million, fifty-three thousand, fifty".