73243503 has 12 divisors (see below), whose sum is σ = 105939288. Its totient is φ = 48762960.

The previous prime is 73243451. The next prime is 73243517. The reversal of 73243503 is 30534237.

It is not a de Polignac number, because 73243503 - 2¹⁶ = 73177967 is a prime.

It is a super-2 number, since 2×73243503² = 10729221463422018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73243543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2068 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (8828274).

Almost surely, 2^73243503 is an apocalyptic number.

73243503 is a deficient number, since it is larger than the sum of its proper divisors (32695785).

73243503 is a wasteful number, since it uses less digits than its factorization.

73243503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11014 (or 11011 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 73243503 is about 8558.2418171024. The cubic root of 73243503 is about 418.3980987152.

The spelling of 73243503 in words is "seventy-three million, two hundred forty-three thousand, five hundred three".