80564973 has 8 divisors (see below), whose sum is σ = 108483936. Its totient is φ = 53178000.

The previous prime is 80564969. The next prime is 80564977. The reversal of 80564973 is 37946508.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80564969) and next prime (80564977).

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

It is not a de Polignac number, because 80564973 - 2² = 80564969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80564977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132643 + ... + 133248.

It is an arithmetic number, because the mean of its divisors is an integer number (13560492).

Almost surely, 2^80564973 is an apocalyptic number.

It is an amenable number.

80564973 is a deficient number, since it is larger than the sum of its proper divisors (27918963).

80564973 is a wasteful number, since it uses less digits than its factorization.

80564973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265995.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 80564973 is about 8975.7992958845. The cubic root of 80564973 is about 431.8988907320.

The spelling of 80564973 in words is "eighty million, five hundred sixty-four thousand, nine hundred seventy-three".