80670249 has 40 divisors (see below), whose sum is σ = 135070848. Its totient is φ = 47550240.

The previous prime is 80670241. The next prime is 80670251. The reversal of 80670249 is 94207608.

It is not a de Polignac number, because 80670249 - 2³ = 80670241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80670241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31744 + ... + 34190.

Almost surely, 2^80670249 is an apocalyptic number.

It is an amenable number.

80670249 is a deficient number, since it is larger than the sum of its proper divisors (54400599).

80670249 is a wasteful number, since it uses less digits than its factorization.

80670249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80670249 is about 8981.6618172808. The cubic root of 80670249 is about 432.0869327366.

The spelling of 80670249 in words is "eighty million, six hundred seventy thousand, two hundred forty-nine".