80709075 has 24 divisors (see below), whose sum is σ = 148266800. Its totient is φ = 43044480.

The previous prime is 80709073. The next prime is 80709091. The reversal of 80709075 is 57090708.

It is not a de Polignac number, because 80709075 - 2¹ = 80709073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80709073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59110 + ... + 60459.

Almost surely, 2^80709075 is an apocalyptic number.

80709075 is a deficient number, since it is larger than the sum of its proper divisors (67557725).

80709075 is a wasteful number, since it uses less digits than its factorization.

80709075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119588 (or 119577 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 80709075 is about 8983.8229613011. The cubic root of 80709075 is about 432.1562417105.

The spelling of 80709075 in words is "eighty million, seven hundred nine thousand, seventy-five".