63690152 has 16 divisors (see below), whose sum is σ = 119661300. Its totient is φ = 31780480.

The previous prime is 63690127. The next prime is 63690191. The reversal of 63690152 is 25109636.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47416996 + 16273156 = 6886^2 + 4034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749 + ... + 11892.

Almost surely, 2^63690152 is an apocalyptic number.

It is an amenable number.

63690152 is a deficient number, since it is larger than the sum of its proper divisors (55971148).

63690152 is a wasteful number, since it uses less digits than its factorization.

63690152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16156 (or 16152 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 63690152 is about 7980.6110041776. The cubic root of 63690152 is about 399.3534387929.

Adding to 63690152 its reverse (25109636), we get a palindrome (88799788).

The spelling of 63690152 in words is "sixty-three million, six hundred ninety thousand, one hundred fifty-two".