63954972 has 36 divisors (see below), whose sum is σ = 162762600. Its totient is φ = 21173472.

The previous prime is 63954971. The next prime is 63955009. The reversal of 63954972 is 27945936.

It is a happy number.

63954972 is a `hidden beast` number, since 6 + 39 + 549 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63954971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598 + ... + 11325.

Almost surely, 2^63954972 is an apocalyptic number.

It is an amenable number.

63954972 is an abundant number, since it is smaller than the sum of its proper divisors (98807628).

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

63954972 is a wasteful number, since it uses less digits than its factorization.

63954972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12082 (or 12077 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 63954972 is about 7997.1852548256. The cubic root of 63954972 is about 399.9061696581.

It can be divided in two parts, 639 and 54972, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 63954972 in words is "sixty-three million, nine hundred fifty-four thousand, nine hundred seventy-two".