731142542 has 8 divisors (see below), whose sum is σ = 1181076456. Its totient is φ = 337450392.

The previous prime is 731142539. The next prime is 731142557. The reversal of 731142542 is 245241137.

731142542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14060408 + ... + 14060459.

It is an arithmetic number, because the mean of its divisors is an integer number (147634557).

Almost surely, 2^731142542 is an apocalyptic number.

731142542 is a deficient number, since it is larger than the sum of its proper divisors (449933914).

731142542 is a wasteful number, since it uses less digits than its factorization.

731142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28120882.

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

The square root of 731142542 is about 27039.6475938574. The cubic root of 731142542 is about 900.8808421534.

Adding to 731142542 its reverse (245241137), we get a palindrome (976383679).

The spelling of 731142542 in words is "seven hundred thirty-one million, one hundred forty-two thousand, five hundred forty-two".