727004881 has 4 divisors (see below), whose sum is σ = 769769892. Its totient is φ = 684239872.

The previous prime is 727004879. The next prime is 727004917. The reversal of 727004881 is 188400727.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 666414225 + 60590656 = 25815^2 + 7784^2 .

It is a cyclic number.

It is not a de Polignac number, because 727004881 - 2¹ = 727004879 is a prime.

It is a super-2 number, since 2×727004881² = 1057072193995648322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 727004881.

It is not an unprimeable number, because it can be changed into a prime (727004081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21382480 + ... + 21382513.

It is an arithmetic number, because the mean of its divisors is an integer number (192442473).

Almost surely, 2^727004881 is an apocalyptic number.

It is an amenable number.

727004881 is a deficient number, since it is larger than the sum of its proper divisors (42765011).

727004881 is a wasteful number, since it uses less digits than its factorization.

727004881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42765010.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 727004881 is about 26963.0280384084. The cubic root of 727004881 is about 899.1782132323.

The spelling of 727004881 in words is "seven hundred twenty-seven million, four thousand, eight hundred eighty-one".