738142 has 4 divisors (see below), whose sum is σ = 1107216. Its totient is φ = 369070.

The previous prime is 738121. The next prime is 738151. The reversal of 738142 is 241837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241837 = 257 ⋅941.

It is a super-2 number, since 2×738142² = 1089707224328, which contains 22 as substring.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

738142 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 as a sum of consecutive naturals, namely, 184534 + ... + 184537.

It is an arithmetic number, because the mean of its divisors is an integer number (276804).

2⁷³⁸¹⁴² is an apocalyptic number.

738142 is a deficient number, since it is larger than the sum of its proper divisors (369074).

738142 is a wasteful number, since it uses less digits than its factorization.

738142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369073.

The product of its digits is 1344, while the sum is 25.

The square root of 738142 is about 859.1519074064. The cubic root of 738142 is about 90.3746522244.

Adding to 738142 its reverse (241837), we get a palindrome (979979).

The spelling of 738142 in words is "seven hundred thirty-eight thousand, one hundred forty-two".