80745873 has 32 divisors (see below), whose sum is σ = 120193920. Its totient is φ = 47900160.

The previous prime is 80745827. The next prime is 80745881. The reversal of 80745873 is 37854708.

It is not a de Polignac number, because 80745873 - 2⁶ = 80745809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80745073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148983 + ... + 149523.

It is an arithmetic number, because the mean of its divisors is an integer number (3756060).

Almost surely, 2^80745873 is an apocalyptic number.

It is an amenable number.

80745873 is a deficient number, since it is larger than the sum of its proper divisors (39448047).

80745873 is a wasteful number, since it uses less digits than its factorization.

80745873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 80745873 is about 8985.8707424489. The cubic root of 80745873 is about 432.2219099523.

It can be divided in two parts, 80745 and 873, that added together give a palindrome (81618).

The spelling of 80745873 in words is "eighty million, seven hundred forty-five thousand, eight hundred seventy-three".