728677562025 has 48 divisors (see below), whose sum is σ = 1376967297024. Its totient is φ = 333082236480.

The previous prime is 728677561991. The next prime is 728677562071. The reversal of 728677562025 is 520265776827.

It is not a de Polignac number, because 728677562025 - 2⁷ = 728677561897 is a prime.

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, 7175152 + ... + 7275998.

It is an arithmetic number, because the mean of its divisors is an integer number (28686818688).

Almost surely, 2^728677562025 is an apocalyptic number.

728677562025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

728677562025 is a deficient number, since it is larger than the sum of its proper divisors (648289734999).

728677562025 is a wasteful number, since it uses less digits than its factorization.

728677562025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114630 (or 114625 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 57.

The spelling of 728677562025 in words is "seven hundred twenty-eight billion, six hundred seventy-seven million, five hundred sixty-two thousand, twenty-five".