63970 has 8 divisors (see below), whose sum is σ = 115164. Its totient is φ = 25584.

The previous prime is 63949. The next prime is 63977. The reversal of 63970 is 7936.

It can be written as a sum of positive squares in 2 ways, for example, as 53361 + 10609 = 231^2 + 103^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63977) 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, 3189 + ... + 3208.

2⁶³⁹⁷⁰ is an apocalyptic number.

63970 is a deficient number, since it is larger than the sum of its proper divisors (51194).

63970 is a wasteful number, since it uses less digits than its factorization.

63970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 63970 is about 252.9229131573. The cubic root of 63970 is about 39.9937490232.

The spelling of 63970 in words is "sixty-three thousand, nine hundred seventy".