80310730 has 16 divisors (see below), whose sum is σ = 144693864. Its totient is φ = 32094400.

The previous prime is 80310719. The next prime is 80310743. The reversal of 80310730 is 3701308.

It can be written as a sum of positive squares in 4 ways, for example, as 11404129 + 68906601 = 3377^2 + 8301^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9924 + ... + 16096.

Almost surely, 2^80310730 is an apocalyptic number.

80310730 is a deficient number, since it is larger than the sum of its proper divisors (64383134).

80310730 is a wasteful number, since it uses less digits than its factorization.

80310730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 80310730 is about 8961.6254106049. The cubic root of 80310730 is about 431.4440901876. Note that the first 3 decimals are identical.

The spelling of 80310730 in words is "eighty million, three hundred ten thousand, seven hundred thirty".