63803073 has 8 divisors (see below), whose sum is σ = 85613248. Its totient is φ = 42264144.

The previous prime is 63803071. The next prime is 63803107. The reversal of 63803073 is 37030836.

It is a happy number.

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

It is not a de Polignac number, because 63803073 - 2¹ = 63803071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63803073.

It is not an unprimeable number, because it can be changed into a prime (63803071) 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, 67261 + ... + 68202.

It is an arithmetic number, because the mean of its divisors is an integer number (10701656).

Almost surely, 2^63803073 is an apocalyptic number.

It is an amenable number.

63803073 is a deficient number, since it is larger than the sum of its proper divisors (21810175).

63803073 is a wasteful number, since it uses less digits than its factorization.

63803073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135623.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 63803073 is about 7987.6825800729. The cubic root of 63803073 is about 399.5893139033.

It can be divided in two parts, 6380 and 3073, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 63803073 in words is "sixty-three million, eight hundred three thousand, seventy-three".