727990461 has 12 divisors (see below), whose sum is σ = 1147136640. Its totient is φ = 441206280.

The previous prime is 727990447. The next prime is 727990469. The reversal of 727990461 is 164099727.

It is not a de Polignac number, because 727990461 - 2⁶ = 727990397 is a prime.

It is a super-2 number, since 2×727990461² = 1059940222613985042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727990469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3676621 + ... + 3676818.

It is an arithmetic number, because the mean of its divisors is an integer number (95594720).

Almost surely, 2^727990461 is an apocalyptic number.

It is an amenable number.

727990461 is a deficient number, since it is larger than the sum of its proper divisors (419146179).

727990461 is a wasteful number, since it uses less digits than its factorization.

727990461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7353456 (or 7353453 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 727990461 is about 26981.2983564542. The cubic root of 727990461 is about 899.5843599295.

The spelling of 727990461 in words is "seven hundred twenty-seven million, nine hundred ninety thousand, four hundred sixty-one".