234742534 has 16 divisors (see below), whose sum is σ = 387269568. Its totient is φ = 106036992.

The previous prime is 234742499. The next prime is 234742537. The reversal of 234742534 is 435247432.

It is a self number, because there is not a number n which added to its sum of digits gives 234742534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234742537) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 94827 + ... + 97270.

It is an arithmetic number, because the mean of its divisors is an integer number (24204348).

Almost surely, 2^234742534 is an apocalyptic number.

234742534 is a deficient number, since it is larger than the sum of its proper divisors (152527034).

234742534 is a wasteful number, since it uses less digits than its factorization.

234742534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192159.

The product of its digits is 80640, while the sum is 34.

The square root of 234742534 is about 15321.3098004054. The cubic root of 234742534 is about 616.8751317926.

Adding to 234742534 its reverse (435247432), we get a palindrome (669989966).

The spelling of 234742534 in words is "two hundred thirty-four million, seven hundred forty-two thousand, five hundred thirty-four".