80070842 has 4 divisors (see below), whose sum is σ = 120106266. Its totient is φ = 40035420.

The previous prime is 80070803. The next prime is 80070871. The reversal of 80070842 is 24807008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68244121 + 11826721 = 8261^2 + 3439^2 .

It is a super-2 number, since 2×80070842² = 12822679477177928, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 20017709 + ... + 20017712.

Almost surely, 2^80070842 is an apocalyptic number.

80070842 is a deficient number, since it is larger than the sum of its proper divisors (40035424).

80070842 is a wasteful number, since it uses less digits than its factorization.

80070842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40035423.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 80070842 is about 8948.2312218673. The cubic root of 80070842 is about 431.0140875343.

The spelling of 80070842 in words is "eighty million, seventy thousand, eight hundred forty-two".