63072003 has 16 divisors (see below), whose sum is σ = 89245440. Its totient is φ = 39535584.

The previous prime is 63071993. The next prime is 63072007. The reversal of 63072003 is 30027036.

It is not a de Polignac number, because 63072003 - 2⁵ = 63071971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63072007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (5577840).

Almost surely, 2^63072003 is an apocalyptic number.

63072003 is a deficient number, since it is larger than the sum of its proper divisors (26173437).

63072003 is a wasteful number, since it uses less digits than its factorization.

63072003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15578.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 63072003 is about 7941.7884006060. The cubic root of 63072003 is about 398.0572525232.

Adding to 63072003 its reverse (30027036), we get a palindrome (93099039).

The spelling of 63072003 in words is "sixty-three million, seventy-two thousand, three".