63949744 has 20 divisors (see below), whose sum is σ = 130424440. Its totient is φ = 30291840.

The previous prime is 63949741. The next prime is 63949799. The reversal of 63949744 is 44794936.

It is a junction number, because it is equal to n+sod(n) for n = 63949694 and 63949703.

It is not an unprimeable number, because it can be changed into a prime (63949741) 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, 104877 + ... + 105484.

It is an arithmetic number, because the mean of its divisors is an integer number (6521222).

Almost surely, 2^63949744 is an apocalyptic number.

It is an amenable number.

63949744 is an abundant number, since it is smaller than the sum of its proper divisors (66474696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63949744 is a wasteful number, since it uses less digits than its factorization.

63949744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210388 (or 210382 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 63949744 is about 7996.8583831402. The cubic root of 63949744 is about 399.8952725828.

The spelling of 63949744 in words is "sixty-three million, nine hundred forty-nine thousand, seven hundred forty-four".