73573063 has 4 divisors (see below), whose sum is σ = 74961288. Its totient is φ = 72184840.

The previous prime is 73573051. The next prime is 73573069. The reversal of 73573063 is 36037537.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73573063 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 (73573069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694033 + ... + 694138.

It is an arithmetic number, because the mean of its divisors is an integer number (18740322).

Almost surely, 2^73573063 is an apocalyptic number.

73573063 is a deficient number, since it is larger than the sum of its proper divisors (1388225).

73573063 is a wasteful number, since it uses less digits than its factorization.

73573063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388224.

The product of its (nonzero) digits is 39690, while the sum is 34.

The square root of 73573063 is about 8577.4741620130. The cubic root of 73573063 is about 419.0246889187.

The spelling of 73573063 in words is "seventy-three million, five hundred seventy-three thousand, sixty-three".