80443470 has 64 divisors (see below), whose sum is σ = 197406720. Its totient is φ = 20976000.

The previous prime is 80443469. The next prime is 80443487. The reversal of 80443470 is 7434408.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421075 + ... + 421265.

It is an arithmetic number, because the mean of its divisors is an integer number (3084480).

Almost surely, 2^80443470 is an apocalyptic number.

80443470 is an abundant number, since it is smaller than the sum of its proper divisors (116963250).

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

80443470 is a wasteful number, since it uses less digits than its factorization.

80443470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 80443470 is about 8969.0283754708. The cubic root of 80443470 is about 431.6816606218.

Adding to 80443470 its reverse (7434408), we get a palindrome (87877878).

The spelling of 80443470 in words is "eighty million, four hundred forty-three thousand, four hundred seventy".