234742636 has 6 divisors (see below), whose sum is σ = 410799620. Its totient is φ = 117371316.

The previous prime is 234742603. The next prime is 234742649. The reversal of 234742636 is 636247432.

It is a junction number, because it is equal to n+sod(n) for n = 234742595 and 234742604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29342826 + ... + 29342833.

Almost surely, 2^234742636 is an apocalyptic number.

It is an amenable number.

234742636 is a deficient number, since it is larger than the sum of its proper divisors (176056984).

234742636 is a wasteful number, since it uses less digits than its factorization.

234742636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58685663 (or 58685661 counting only the distinct ones).

The product of its digits is 145152, while the sum is 37.

The square root of 234742636 is about 15321.3131291022. The cubic root of 234742636 is about 616.8752211405.

The spelling of 234742636 in words is "two hundred thirty-four million, seven hundred forty-two thousand, six hundred thirty-six".