63535972 has 12 divisors (see below), whose sum is σ = 111245680. Its totient is φ = 31751496.

The previous prime is 63535961. The next prime is 63535973. The reversal of 63535972 is 27953536.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63535973) 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, 9679 + ... + 14857.

Almost surely, 2^63535972 is an apocalyptic number.

It is an amenable number.

63535972 is a deficient number, since it is larger than the sum of its proper divisors (47709708).

63535972 is a wasteful number, since it uses less digits than its factorization.

63535972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250 (or 8248 counting only the distinct ones).

The product of its digits is 170100, while the sum is 40.

The square root of 63535972 is about 7970.9454897145. The cubic root of 63535972 is about 399.0309291502.

The spelling of 63535972 in words is "sixty-three million, five hundred thirty-five thousand, nine hundred seventy-two".