63724145 has 8 divisors (see below), whose sum is σ = 79793856. Its totient is φ = 48762736.

The previous prime is 63724139. The next prime is 63724153. The reversal of 63724145 is 54142736.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63724145 - 2¹² = 63720049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276947 + ... + 277176.

It is an arithmetic number, because the mean of its divisors is an integer number (9974232).

Almost surely, 2^63724145 is an apocalyptic number.

It is an amenable number.

63724145 is a deficient number, since it is larger than the sum of its proper divisors (16069711).

63724145 is a wasteful number, since it uses less digits than its factorization.

63724145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554151.

The product of its digits is 20160, while the sum is 32.

The square root of 63724145 is about 7982.7404442334. The cubic root of 63724145 is about 399.4244744062.

The spelling of 63724145 in words is "sixty-three million, seven hundred twenty-four thousand, one hundred forty-five".