727650725 has 6 divisors (see below), whose sum is σ = 902286930. Its totient is φ = 582120560.

The previous prime is 727650719. The next prime is 727650799. The reversal of 727650725 is 527056727.

It can be written as a sum of positive squares in 3 ways, for example, as 261695329 + 465955396 = 16177^2 + 21586^2 .

It is not a de Polignac number, because 727650725 - 2¹⁶ = 727585189 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14552990 + ... + 14553039.

It is an arithmetic number, because the mean of its divisors is an integer number (150381155).

Almost surely, 2^727650725 is an apocalyptic number.

It is an amenable number.

727650725 is a deficient number, since it is larger than the sum of its proper divisors (174636205).

727650725 is a wasteful number, since it uses less digits than its factorization.

727650725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29106039 (or 29106034 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 727650725 is about 26975.0018535681. The cubic root of 727650725 is about 899.4443998784. Note that the first 3 decimals are identical.

The spelling of 727650725 in words is "seven hundred twenty-seven million, six hundred fifty thousand, seven hundred twenty-five".