73213803 has 36 divisors (see below), whose sum is σ = 116640160. Its totient is φ = 43984512.

The previous prime is 73213753. The next prime is 73213813. The reversal of 73213803 is 30831237.

It is not a de Polignac number, because 73213803 - 2⁹ = 73213291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73213813) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 822583 + ... + 822671.

Almost surely, 2^73213803 is an apocalyptic number.

73213803 is a deficient number, since it is larger than the sum of its proper divisors (43426357).

73213803 is a wasteful number, since it uses less digits than its factorization.

73213803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 73213803 is about 8556.5064716857. The cubic root of 73213803 is about 418.3415380510.

It can be divided in two parts, 732 and 13803, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 73213803 in words is "seventy-three million, two hundred thirteen thousand, eight hundred three".