63670543 has 8 divisors (see below), whose sum is σ = 65024208. Its totient is φ = 62322624.

The previous prime is 63670517. The next prime is 63670547. The reversal of 63670543 is 34507636.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63670543 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63670499 and 63670508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63670547) 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, 26571 + ... + 28867.

It is an arithmetic number, because the mean of its divisors is an integer number (8128026).

Almost surely, 2^63670543 is an apocalyptic number.

63670543 is a deficient number, since it is larger than the sum of its proper divisors (1353665).

63670543 is a wasteful number, since it uses less digits than its factorization.

63670543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 63670543 is about 7979.3823695822. The cubic root of 63670543 is about 399.3124501150.

The spelling of 63670543 in words is "sixty-three million, six hundred seventy thousand, five hundred forty-three".