42036772 has 12 divisors (see below), whose sum is σ = 74279296. Its totient is φ = 20814120.

The previous prime is 42036737. The next prime is 42036779. The reversal of 42036772 is 27763024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42036779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50604 + ... + 51427.

Almost surely, 2^42036772 is an apocalyptic number.

It is an amenable number.

42036772 is a deficient number, since it is larger than the sum of its proper divisors (32242524).

42036772 is a wasteful number, since it uses less digits than its factorization.

42036772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102138 (or 102136 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 42036772 is about 6483.5770991020. The cubic root of 42036772 is about 347.7040797003.

Adding to 42036772 its reverse (27763024), we get a palindrome (69799796).

The spelling of 42036772 in words is "forty-two million, thirty-six thousand, seven hundred seventy-two".