63120536 has 8 divisors (see below), whose sum is σ = 118351020. Its totient is φ = 31560264.

The previous prime is 63120529. The next prime is 63120571. The reversal of 63120536 is 63502136.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3945026 + ... + 3945041.

Almost surely, 2^63120536 is an apocalyptic number.

It is an amenable number.

63120536 is a deficient number, since it is larger than the sum of its proper divisors (55230484).

63120536 is a wasteful number, since it uses less digits than its factorization.

63120536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890073 (or 7890069 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 63120536 is about 7944.8433590600. The cubic root of 63120536 is about 398.1593261249.

The spelling of 63120536 in words is "sixty-three million, one hundred twenty thousand, five hundred thirty-six".