80530742 has 8 divisors (see below), whose sum is σ = 120862056. Its totient is φ = 40243392.

The previous prime is 80530741. The next prime is 80530781. The reversal of 80530742 is 24703508.

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 not an unprimeable number, because it can be changed into a prime (80530741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5948 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (15107757).

Almost surely, 2^80530742 is an apocalyptic number.

80530742 is a deficient number, since it is larger than the sum of its proper divisors (40331314).

80530742 is a wasteful number, since it uses less digits than its factorization.

80530742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 80530742 is about 8973.8922436143. The cubic root of 80530742 is about 431.8377126759.

The spelling of 80530742 in words is "eighty million, five hundred thirty thousand, seven hundred forty-two".