80474473 has 2 divisors, whose sum is σ = 80474474. Its totient is φ = 80474472.

The previous prime is 80474441. The next prime is 80474483. The reversal of 80474473 is 37447408.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45333289 + 35141184 = 6733^2 + 5928^2 .

It is a cyclic number.

It is not a de Polignac number, because 80474473 - 2⁵ = 80474441 is a prime.

It is a super-2 number, since 2×80474473² = 12952281609255458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80474483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40237236 + 40237237.

It is an arithmetic number, because the mean of its divisors is an integer number (40237237).

Almost surely, 2^80474473 is an apocalyptic number.

It is an amenable number.

80474473 is a deficient number, since it is larger than the sum of its proper divisors (1).

80474473 is an equidigital number, since it uses as much as digits as its factorization.

80474473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 80474473 is about 8970.7565455763. The cubic root of 80474473 is about 431.7371103580.

The spelling of 80474473 in words is "eighty million, four hundred seventy-four thousand, four hundred seventy-three".