42685371 has 24 divisors (see below), whose sum is σ = 62790000. Its totient is φ = 27940032.

The previous prime is 42685337. The next prime is 42685417. The reversal of 42685371 is 17358624.

It is not a de Polignac number, because 42685371 - 2¹³ = 42677179 is a prime.

It is a super-3 number, since 3×42685371³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42685471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186285 + ... + 186513.

It is an arithmetic number, because the mean of its divisors is an integer number (2616250).

Almost surely, 2^42685371 is an apocalyptic number.

42685371 is a deficient number, since it is larger than the sum of its proper divisors (20104629).

42685371 is a wasteful number, since it uses less digits than its factorization.

42685371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 520 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 42685371 is about 6533.4042428125. The cubic root of 42685371 is about 349.4832401230.

The spelling of 42685371 in words is "forty-two million, six hundred eighty-five thousand, three hundred seventy-one".