73012303 has 24 divisors (see below), whose sum is σ = 93014880. Its totient is φ = 56790720.

The previous prime is 73012283. The next prime is 73012309. The reversal of 73012303 is 30321037.

It is a de Polignac number, because none of the positive numbers 2^k-73012303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73012309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37918 + ... + 39796.

It is an arithmetic number, because the mean of its divisors is an integer number (3875620).

Almost surely, 2^73012303 is an apocalyptic number.

73012303 is a deficient number, since it is larger than the sum of its proper divisors (20002577).

73012303 is a wasteful number, since it uses less digits than its factorization.

73012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 73012303 is about 8544.7236936018. The cubic root of 73012303 is about 417.9573970453.

It can be divided in two parts, 7301 and 2303, that added together give a square (9604 = 98²).

The spelling of 73012303 in words is "seventy-three million, twelve thousand, three hundred three".