542697782 has 8 divisors (see below), whose sum is σ = 888050952. Its totient is φ = 246680800.

The previous prime is 542697781. The next prime is 542697917. The reversal of 542697782 is 287796245.

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 542697782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542697781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12334019 + ... + 12334062.

It is an arithmetic number, because the mean of its divisors is an integer number (111006369).

Almost surely, 2^542697782 is an apocalyptic number.

542697782 is a deficient number, since it is larger than the sum of its proper divisors (345353170).

542697782 is a wasteful number, since it uses less digits than its factorization.

542697782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24668094.

The product of its digits is 1693440, while the sum is 50.

The square root of 542697782 is about 23295.8747850344. The cubic root of 542697782 is about 815.6791268122.

The spelling of 542697782 in words is "five hundred forty-two million, six hundred ninety-seven thousand, seven hundred eighty-two".