487466721 has 32 divisors (see below), whose sum is σ = 873895680. Its totient is φ = 262165248.

The previous prime is 487466701. The next prime is 487466731. The reversal of 487466721 is 127664784.

It is not a de Polignac number, because 487466721 - 2⁵ = 487466689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487466701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72646 + ... + 79071.

It is an arithmetic number, because the mean of its divisors is an integer number (27309240).

Almost surely, 2^487466721 is an apocalyptic number.

It is an amenable number.

487466721 is a deficient number, since it is larger than the sum of its proper divisors (386428959).

487466721 is a wasteful number, since it uses less digits than its factorization.

487466721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151750 (or 151744 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 487466721 is about 22078.6485320094. The cubic root of 487466721 is about 787.0125491310.

The spelling of 487466721 in words is "four hundred eighty-seven million, four hundred sixty-six thousand, seven hundred twenty-one".