80032405 has 8 divisors (see below), whose sum is σ = 96126552. Its totient is φ = 63967488.

The previous prime is 80032397. The next prime is 80032409. The reversal of 80032405 is 50423008.

It can be written as a sum of positive squares in 4 ways, for example, as 5503716 + 74528689 = 2346^2 + 8633^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80032405 - 2³ = 80032397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80032409) 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, 744 + ... + 12673.

It is an arithmetic number, because the mean of its divisors is an integer number (12015819).

Almost surely, 2^80032405 is an apocalyptic number.

It is an amenable number.

80032405 is a deficient number, since it is larger than the sum of its proper divisors (16094147).

80032405 is a wasteful number, since it uses less digits than its factorization.

80032405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14615.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 80032405 is about 8946.0832211644. The cubic root of 80032405 is about 430.9451088662.

The spelling of 80032405 in words is "eighty million, thirty-two thousand, four hundred five".