80473309 has 8 divisors (see below), whose sum is σ = 92829888. Its totient is φ = 68331840.

The previous prime is 80473277. The next prime is 80473313. The reversal of 80473309 is 90337408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80473309 - 2⁵ = 80473277 is a prime.

It is a super-2 number, since 2×80473309² = 12951906922818962, 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 (80473399) 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 7 ways as a sum of consecutive naturals, for example, 52972 + ... + 54469.

It is an arithmetic number, because the mean of its divisors is an integer number (11603736).

Almost surely, 2^80473309 is an apocalyptic number.

It is an amenable number.

80473309 is a deficient number, since it is larger than the sum of its proper divisors (12356579).

80473309 is a wasteful number, since it uses less digits than its factorization.

80473309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107555.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 80473309 is about 8970.6916678704. The cubic root of 80473309 is about 431.7350287687.

The spelling of 80473309 in words is "eighty million, four hundred seventy-three thousand, three hundred nine".