80625673 has 4 divisors (see below), whose sum is σ = 80801028. Its totient is φ = 80450320.

The previous prime is 80625659. The next prime is 80625691. The reversal of 80625673 is 37652608.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61027344 + 19598329 = 7812^2 + 4427^2 .

It is a cyclic number.

It is not a de Polignac number, because 80625673 - 2⁵ = 80625641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80625073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86986 + ... + 87907.

It is an arithmetic number, because the mean of its divisors is an integer number (20200257).

Almost surely, 2^80625673 is an apocalyptic number.

It is an amenable number.

80625673 is a deficient number, since it is larger than the sum of its proper divisors (175355).

80625673 is a wasteful number, since it uses less digits than its factorization.

80625673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175354.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 80625673 is about 8979.1799736947. The cubic root of 80625673 is about 432.0073319086.

The spelling of 80625673 in words is "eighty million, six hundred twenty-five thousand, six hundred seventy-three".