63970067 has 8 divisors (see below), whose sum is σ = 73833312. Its totient is φ = 54288000.

The previous prime is 63970007. The next prime is 63970069. The reversal of 63970067 is 76007936.

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 63970067 - 2²² = 59775763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63970067.

It is not an unprimeable number, because it can be changed into a prime (63970069) 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, 44534 + ... + 45947.

It is an arithmetic number, because the mean of its divisors is an integer number (9229164).

Almost surely, 2^63970067 is an apocalyptic number.

63970067 is a deficient number, since it is larger than the sum of its proper divisors (9863245).

63970067 is a wasteful number, since it uses less digits than its factorization.

63970067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90589.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 63970067 is about 7998.1289687026. The cubic root of 63970067 is about 399.9376298588.

The spelling of 63970067 in words is "sixty-three million, nine hundred seventy thousand, sixty-seven".