80617742 has 8 divisors (see below), whose sum is σ = 120970776. Its totient is φ = 40294152.

The previous prime is 80617739. The next prime is 80617751. The reversal of 80617742 is 24771608.

It is a happy number.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1733 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (15121347).

Almost surely, 2^80617742 is an apocalyptic number.

80617742 is a deficient number, since it is larger than the sum of its proper divisors (40353034).

80617742 is a wasteful number, since it uses less digits than its factorization.

80617742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 80617742 is about 8978.7383300773. The cubic root of 80617742 is about 431.9931661870.

The spelling of 80617742 in words is "eighty million, six hundred seventeen thousand, seven hundred forty-two".