63914994 has 160 divisors (see below), whose sum is σ = 175633920. Its totient is φ = 17107200.

The previous prime is 63914969. The next prime is 63915011. The reversal of 63914994 is 49941936.

63914994 is a `hidden beast` number, since 639 + 1 + 4 + 9 + 9 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 718102 + ... + 718190.

It is an arithmetic number, because the mean of its divisors is an integer number (1097712).

Almost surely, 2^63914994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63914994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87816960).

63914994 is an abundant number, since it is smaller than the sum of its proper divisors (111718926).

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

63914994 is a wasteful number, since it uses less digits than its factorization.

63914994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 149 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 63914994 is about 7994.6853596624. The cubic root of 63914994 is about 399.8228257014.

The spelling of 63914994 in words is "sixty-three million, nine hundred fourteen thousand, nine hundred ninety-four".