80670814 has 32 divisors (see below), whose sum is σ = 148642560. Its totient is φ = 32047488.

The previous prime is 80670803. The next prime is 80670817. The reversal of 80670814 is 41807608.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 80670814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80670817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13417 + ... + 18475.

It is an arithmetic number, because the mean of its divisors is an integer number (4645080).

Almost surely, 2^80670814 is an apocalyptic number.

80670814 is a deficient number, since it is larger than the sum of its proper divisors (67971746).

80670814 is a wasteful number, since it uses less digits than its factorization.

80670814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 80670814 is about 8981.6932702025. The cubic root of 80670814 is about 432.0879414874.

The spelling of 80670814 in words is "eighty million, six hundred seventy thousand, eight hundred fourteen".