1574242742 has 4 divisors (see below), whose sum is σ = 2361364116. Its totient is φ = 787121370.

The previous prime is 1574242711. The next prime is 1574242763. The reversal of 1574242742 is 2472424751.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1574242696 and 1574242705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393560684 + ... + 393560687.

It is an arithmetic number, because the mean of its divisors is an integer number (590341029).

Almost surely, 2^1574242742 is an apocalyptic number.

1574242742 is a deficient number, since it is larger than the sum of its proper divisors (787121374).

1574242742 is an equidigital number, since it uses as much as digits as its factorization.

1574242742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787121373.

The product of its digits is 125440, while the sum is 38.

The square root of 1574242742 is about 39676.7279648915. The cubic root of 1574242742 is about 1163.2968887214.

The spelling of 1574242742 in words is "one billion, five hundred seventy-four million, two hundred forty-two thousand, seven hundred forty-two".