63074561 has 4 divisors (see below), whose sum is σ = 68808624. Its totient is φ = 57340500.

The previous prime is 63074551. The next prime is 63074581. The reversal of 63074561 is 16547036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63074561 - 2⁶ = 63074497 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63074521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867015 + ... + 2867036.

It is an arithmetic number, because the mean of its divisors is an integer number (17202156).

Almost surely, 2^63074561 is an apocalyptic number.

It is an amenable number.

63074561 is a deficient number, since it is larger than the sum of its proper divisors (5734063).

63074561 is a wasteful number, since it uses less digits than its factorization.

63074561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734062.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 63074561 is about 7941.9494458225. The cubic root of 63074561 is about 398.0626337628.

The spelling of 63074561 in words is "sixty-three million, seventy-four thousand, five hundred sixty-one".