42136772 has 12 divisors (see below), whose sum is σ = 74182080. Its totient is φ = 20941896.

The previous prime is 42136763. The next prime is 42136789. The reversal of 42136772 is 27763124.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 30872 + ... + 32207.

It is an arithmetic number, because the mean of its divisors is an integer number (6181840).

Almost surely, 2^42136772 is an apocalyptic number.

It is an amenable number.

42136772 is a deficient number, since it is larger than the sum of its proper divisors (32045308).

42136772 is a wasteful number, since it uses less digits than its factorization.

42136772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63250 (or 63248 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 42136772 is about 6491.2843105198. The cubic root of 42136772 is about 347.9795755838.

Adding to 42136772 its reverse (27763124), we get a palindrome (69899896).

The spelling of 42136772 in words is "forty-two million, one hundred thirty-six thousand, seven hundred seventy-two".