63616746 has 16 divisors (see below), whose sum is σ = 127671264. Its totient is φ = 21132624.

The previous prime is 63616741. The next prime is 63616747. The reversal of 63616746 is 64761636.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63616741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16336 + ... + 19851.

It is an arithmetic number, because the mean of its divisors is an integer number (7979454).

Almost surely, 2^63616746 is an apocalyptic number.

63616746 is an abundant number, since it is smaller than the sum of its proper divisors (64054518).

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

63616746 is a wasteful number, since it uses less digits than its factorization.

63616746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36485.

The product of its digits is 108864, while the sum is 39.

The square root of 63616746 is about 7976.0106569638. The cubic root of 63616746 is about 399.1999550537.

The spelling of 63616746 in words is "sixty-three million, six hundred sixteen thousand, seven hundred forty-six".