80802742 has 8 divisors (see below), whose sum is σ = 123258600. Its totient is φ = 39716544.

The previous prime is 80802739. The next prime is 80802803. The reversal of 80802742 is 24720808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×80802742² = 13058166229437128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342267 + ... + 342502.

It is an arithmetic number, because the mean of its divisors is an integer number (15407325).

Almost surely, 2^80802742 is an apocalyptic number.

80802742 is a deficient number, since it is larger than the sum of its proper divisors (42455858).

80802742 is a wasteful number, since it uses less digits than its factorization.

80802742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684830.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 80802742 is about 8989.0345421519. The cubic root of 80802742 is about 432.3233568688.

The spelling of 80802742 in words is "eighty million, eight hundred two thousand, seven hundred forty-two".