791542 has 8 divisors (see below), whose sum is σ = 1195632. Its totient is φ = 393000.

The previous prime is 791519. The next prime is 791543. The reversal of 791542 is 245197.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 791542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791543) by changing a digit.

791542 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 1009 + ... + 1612.

It is an arithmetic number, because the mean of its divisors is an integer number (149454).

2⁷⁹¹⁵⁴² is an apocalyptic number.

791542 is a deficient number, since it is larger than the sum of its proper divisors (404090).

791542 is a wasteful number, since it uses less digits than its factorization.

791542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its digits is 2520, while the sum is 28.

The square root of 791542 is about 889.6864616257. The cubic root of 791542 is about 92.5034622517.

The spelling of 791542 in words is "seven hundred ninety-one thousand, five hundred forty-two".