42736990 has 16 divisors (see below), whose sum is σ = 80271648. Its totient is φ = 16351456.

The previous prime is 42736987. The next prime is 42737011. The reversal of 42736990 is 9963724.

42736990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92677 + ... + 93136.

It is an arithmetic number, because the mean of its divisors is an integer number (5016978).

Almost surely, 2^42736990 is an apocalyptic number.

42736990 is a deficient number, since it is larger than the sum of its proper divisors (37534658).

42736990 is a wasteful number, since it uses less digits than its factorization.

42736990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185843.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 42736990 is about 6537.3534400398. The cubic root of 42736990 is about 349.6240589248.

The spelling of 42736990 in words is "forty-two million, seven hundred thirty-six thousand, nine hundred ninety".