63973007 has 8 divisors (see below), whose sum is σ = 74203776. Its totient is φ = 54015192.

The previous prime is 63973003. The next prime is 63973009. The reversal of 63973007 is 70037936.

63973007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 63973007 - 2² = 63973003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63973003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67733 + ... + 68670.

It is an arithmetic number, because the mean of its divisors is an integer number (9275472).

Almost surely, 2^63973007 is an apocalyptic number.

63973007 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

63973007 is a deficient number, since it is larger than the sum of its proper divisors (10230769).

63973007 is a wasteful number, since it uses less digits than its factorization.

63973007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136477.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 63973007 is about 7998.3127595762. The cubic root of 63973007 is about 399.9437566754.

The spelling of 63973007 in words is "sixty-three million, nine hundred seventy-three thousand, seven".