63039945 has 8 divisors (see below), whose sum is σ = 100863936. Its totient is φ = 33621296.

The previous prime is 63039931. The next prime is 63039959. The reversal of 63039945 is 54993036.

It is an interprime number because it is at equal distance from previous prime (63039931) and next prime (63039959).

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 63039945 - 2⁵ = 63039913 is a prime.

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, 2101317 + ... + 2101346.

It is an arithmetic number, because the mean of its divisors is an integer number (12607992).

Almost surely, 2^63039945 is an apocalyptic number.

It is an amenable number.

63039945 is a deficient number, since it is larger than the sum of its proper divisors (37823991).

63039945 is a wasteful number, since it uses less digits than its factorization.

63039945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202671.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 63039945 is about 7939.7698329360. The cubic root of 63039945 is about 397.9898000803.

The spelling of 63039945 in words is "sixty-three million, thirty-nine thousand, nine hundred forty-five".