42737085 has 16 divisors (see below), whose sum is σ = 75977280. Its totient is φ = 22793040.

The previous prime is 42737083. The next prime is 42737111. The reversal of 42737085 is 58073724.

It is not a de Polignac number, because 42737085 - 2¹ = 42737083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42737081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158151 + ... + 158420.

It is an arithmetic number, because the mean of its divisors is an integer number (4748580).

Almost surely, 2^42737085 is an apocalyptic number.

42737085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42737085 is a deficient number, since it is larger than the sum of its proper divisors (33240195).

42737085 is a wasteful number, since it uses less digits than its factorization.

42737085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316585 (or 316579 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 42737085 is about 6537.3607059730. The cubic root of 42737085 is about 349.6243179842.

The spelling of 42737085 in words is "forty-two million, seven hundred thirty-seven thousand, eighty-five".