742142 has 4 divisors (see below), whose sum is σ = 1113216. Its totient is φ = 371070.

The previous prime is 742127. The next prime is 742151. The reversal of 742142 is 241247.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 185534 + ... + 185537.

It is an arithmetic number, because the mean of its divisors is an integer number (278304).

2⁷⁴²¹⁴² is an apocalyptic number.

742142 is a deficient number, since it is larger than the sum of its proper divisors (371074).

742142 is a wasteful number, since it uses less digits than its factorization.

742142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371073.

The product of its digits is 448, while the sum is 20.

The square root of 742142 is about 861.4766392654. The cubic root of 742142 is about 90.5376053235.

Adding to 742142 its reverse (241247), we get a palindrome (983389).

The spelling of 742142 in words is "seven hundred forty-two thousand, one hundred forty-two", and thus it is an iban number.