728466236 has 6 divisors (see below), whose sum is σ = 1274815920. Its totient is φ = 364233116.

The previous prime is 728466203. The next prime is 728466253. The reversal of 728466236 is 632664827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91058276 + ... + 91058283.

It is an arithmetic number, because the mean of its divisors is an integer number (212469320).

Almost surely, 2^728466236 is an apocalyptic number.

It is an amenable number.

728466236 is a deficient number, since it is larger than the sum of its proper divisors (546349684).

728466236 is a wasteful number, since it uses less digits than its factorization.

728466236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182116563 (or 182116561 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 728466236 is about 26990.1136714909. The cubic root of 728466236 is about 899.7802904014.

The spelling of 728466236 in words is "seven hundred twenty-eight million, four hundred sixty-six thousand, two hundred thirty-six".