80743503 has 4 divisors (see below), whose sum is σ = 107658008. Its totient is φ = 53829000.

The previous prime is 80743493. The next prime is 80743513. The reversal of 80743503 is 30534708.

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

It is an interprime number because it is at equal distance from previous prime (80743493) and next prime (80743513).

It is not a de Polignac number, because 80743503 - 2⁵ = 80743471 is a prime.

It is a super-2 number, since 2×80743503² = 13039026553422018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80743513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13457248 + ... + 13457253.

It is an arithmetic number, because the mean of its divisors is an integer number (26914502).

Almost surely, 2^80743503 is an apocalyptic number.

80743503 is a deficient number, since it is larger than the sum of its proper divisors (26914505).

80743503 is a wasteful number, since it uses less digits than its factorization.

80743503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26914504.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 80743503 is about 8985.7388677838. The cubic root of 80743503 is about 432.2176811461.

The spelling of 80743503 in words is "eighty million, seven hundred forty-three thousand, five hundred three".