63782481 has 16 divisors (see below), whose sum is σ = 98841600. Its totient is φ = 35828688.

The previous prime is 63782471. The next prime is 63782483. The reversal of 63782481 is 18428736.

It is not a de Polignac number, because 63782481 - 2¹⁰ = 63781457 is a prime.

It is a super-2 number, since 2×63782481² = 8136409765030722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63782483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24501 + ... + 26978.

It is an arithmetic number, because the mean of its divisors is an integer number (6177600).

Almost surely, 2^63782481 is an apocalyptic number.

It is an amenable number.

63782481 is a deficient number, since it is larger than the sum of its proper divisors (35059119).

63782481 is a wasteful number, since it uses less digits than its factorization.

63782481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51548.

The product of its digits is 64512, while the sum is 39.

The square root of 63782481 is about 7986.3934914328. The cubic root of 63782481 is about 399.5463210497.

The spelling of 63782481 in words is "sixty-three million, seven hundred eighty-two thousand, four hundred eighty-one".