63700973 has 8 divisors (see below), whose sum is σ = 72862848. Its totient is φ = 54554544.

The previous prime is 63700969. The next prime is 63700979. The reversal of 63700973 is 37900736.

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 63700973 - 2² = 63700969 is a prime.

It is a super-2 number, since 2×63700973² = 8115627922293458, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63700979) 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, 7040 + ... + 13302.

It is an arithmetic number, because the mean of its divisors is an integer number (9107856).

Almost surely, 2^63700973 is an apocalyptic number.

It is an amenable number.

63700973 is a deficient number, since it is larger than the sum of its proper divisors (9161875).

63700973 is a wasteful number, since it uses less digits than its factorization.

63700973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723.

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

The square root of 63700973 is about 7981.2889309935. The cubic root of 63700973 is about 399.3760543189.

The spelling of 63700973 in words is "sixty-three million, seven hundred thousand, nine hundred seventy-three".