80307242 has 16 divisors (see below), whose sum is σ = 124043400. Its totient is φ = 38965248.

The previous prime is 80307229. The next prime is 80307259. The reversal of 80307242 is 24270308.

It can be written as a sum of positive squares in 4 ways, for example, as 77070841 + 3236401 = 8779^2 + 1799^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32018 + ... + 34434.

Almost surely, 2^80307242 is an apocalyptic number.

80307242 is a deficient number, since it is larger than the sum of its proper divisors (43736158).

80307242 is a wasteful number, since it uses less digits than its factorization.

80307242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 80307242 is about 8961.4308009380. The cubic root of 80307242 is about 431.4378440369.

The spelling of 80307242 in words is "eighty million, three hundred seven thousand, two hundred forty-two".