63670 has 8 divisors (see below), whose sum is σ = 114624. Its totient is φ = 25464.

The previous prime is 63667. The next prime is 63671. The reversal of 63670 is 7636.

It is a happy number.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63671) 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, 3174 + ... + 3193.

It is an arithmetic number, because the mean of its divisors is an integer number (14328).

2⁶³⁶⁷⁰ is an apocalyptic number.

63670 is a deficient number, since it is larger than the sum of its proper divisors (50954).

63670 is a wasteful number, since it uses less digits than its factorization.

63670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 63670 is about 252.3291501194. The cubic root of 63670 is about 39.9311314963.

The spelling of 63670 in words is "sixty-three thousand, six hundred seventy".