80309532 has 12 divisors (see below), whose sum is σ = 187388936. Its totient is φ = 26769840.

The previous prime is 80309531. The next prime is 80309543. The reversal of 80309532 is 23590308.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 80309532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80309531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346219 + ... + 3346242.

Almost surely, 2^80309532 is an apocalyptic number.

It is an amenable number.

80309532 is an abundant number, since it is smaller than the sum of its proper divisors (107079404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80309532 is a wasteful number, since it uses less digits than its factorization.

80309532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692468 (or 6692466 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 80309532 is about 8961.5585698025. The cubic root of 80309532 is about 431.4419448844.

The spelling of 80309532 in words is "eighty million, three hundred nine thousand, five hundred thirty-two".