80459742 has 32 divisors (see below), whose sum is σ = 185877504. Its totient is φ = 22947200.

The previous prime is 80459741. The next prime is 80459747. The reversal of 80459742 is 24795408.

It is a self number, because there is not a number n which added to its sum of digits gives 80459742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80459741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34734 + ... + 36977.

It is an arithmetic number, because the mean of its divisors is an integer number (5808672).

Almost surely, 2^80459742 is an apocalyptic number.

80459742 is an abundant number, since it is smaller than the sum of its proper divisors (105417762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80459742 is a wasteful number, since it uses less digits than its factorization.

80459742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71744.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 80459742 is about 8969.9354512728. The cubic root of 80459742 is about 431.7107653269.

The spelling of 80459742 in words is "eighty million, four hundred fifty-nine thousand, seven hundred forty-two".