63942952 has 8 divisors (see below), whose sum is σ = 119893050. Its totient is φ = 31971472.

The previous prime is 63942937. The next prime is 63942953. The reversal of 63942952 is 25924936.

It can be written as a sum of positive squares in only one way, i.e., 37871716 + 26071236 = 6154^2 + 5106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×63942952² = 8177402220948608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63942953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996427 + ... + 3996442.

Almost surely, 2^63942952 is an apocalyptic number.

It is an amenable number.

63942952 is a deficient number, since it is larger than the sum of its proper divisors (55950098).

63942952 is a wasteful number, since it uses less digits than its factorization.

63942952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992875 (or 7992871 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 63942952 is about 7996.4337050963. The cubic root of 63942952 is about 399.8811146692.

The spelling of 63942952 in words is "sixty-three million, nine hundred forty-two thousand, nine hundred fifty-two".