80634742 has 8 divisors (see below), whose sum is σ = 122199336. Its totient is φ = 39901632.

The previous prime is 80634739. The next prime is 80634773. The reversal of 80634742 is 24743608.

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

It is a junction number, because it is equal to n+sod(n) for n = 80634698 and 80634707.

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, 207628 + ... + 208015.

It is an arithmetic number, because the mean of its divisors is an integer number (15274917).

Almost surely, 2^80634742 is an apocalyptic number.

80634742 is a deficient number, since it is larger than the sum of its proper divisors (41564594).

80634742 is a wasteful number, since it uses less digits than its factorization.

80634742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415742.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 80634742 is about 8979.6849610663. The cubic root of 80634742 is about 432.0235290968.

The spelling of 80634742 in words is "eighty million, six hundred thirty-four thousand, seven hundred forty-two".