727730045 has 8 divisors (see below), whose sum is σ = 998029824. Its totient is φ = 499014864.

The previous prime is 727730027. The next prime is 727730063. The reversal of 727730045 is 540037727.

It is an interprime number because it is at equal distance from previous prime (727730027) and next prime (727730063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 727730045 - 2⁸ = 727729789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 20792287 = 727730045 / (7 + 2 + 7 + 7 + 3 + 0 + 0 + 4 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 727729987 and 727730014.

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, 10396109 + ... + 10396178.

It is an arithmetic number, because the mean of its divisors is an integer number (124753728).

Almost surely, 2^727730045 is an apocalyptic number.

It is an amenable number.

727730045 is a deficient number, since it is larger than the sum of its proper divisors (270299779).

727730045 is a wasteful number, since it uses less digits than its factorization.

727730045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792299.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 727730045 is about 26976.4720636335. The cubic root of 727730045 is about 899.4770810055.

The spelling of 727730045 in words is "seven hundred twenty-seven million, seven hundred thirty thousand, forty-five".