728261526 has 16 divisors (see below), whose sum is σ = 1533182400. Its totient is φ = 229977288.

The previous prime is 728261519. The next prime is 728261533. The reversal of 728261526 is 625162827.

728261526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (728261519) and next prime (728261533).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194016 + ... + 3194243.

It is an arithmetic number, because the mean of its divisors is an integer number (95823900).

Almost surely, 2^728261526 is an apocalyptic number.

728261526 is an abundant number, since it is smaller than the sum of its proper divisors (804920874).

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

728261526 is a wasteful number, since it uses less digits than its factorization.

728261526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388283.

The product of its digits is 80640, while the sum is 39.

The square root of 728261526 is about 26986.3210905081. The cubic root of 728261526 is about 899.6959985607.

The spelling of 728261526 in words is "seven hundred twenty-eight million, two hundred sixty-one thousand, five hundred twenty-six".