63947454 has 16 divisors (see below), whose sum is σ = 131014800. Its totient is φ = 20795840.

The previous prime is 63947453. The next prime is 63947467. The reversal of 63947454 is 45474936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63947453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129729 + ... + 130220.

It is an arithmetic number, because the mean of its divisors is an integer number (8188425).

Almost surely, 2^63947454 is an apocalyptic number.

63947454 is an abundant number, since it is smaller than the sum of its proper divisors (67067346).

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

63947454 is a wasteful number, since it uses less digits than its factorization.

63947454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259995.

The product of its digits is 362880, while the sum is 42.

The square root of 63947454 is about 7996.7152006308. The cubic root of 63947454 is about 399.8904991933.

The spelling of 63947454 in words is "sixty-three million, nine hundred forty-seven thousand, four hundred fifty-four".