42686373 has 8 divisors (see below), whose sum is σ = 56945728. Its totient is φ = 28442304.

The previous prime is 42686339. The next prime is 42686377. The reversal of 42686373 is 37368624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42686373 - 2²⁴ = 25909157 is a prime.

It is a super-3 number, since 3×42686373³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42686377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7440 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (7118216).

Almost surely, 2^42686373 is an apocalyptic number.

It is an amenable number.

42686373 is a deficient number, since it is larger than the sum of its proper divisors (14259355).

42686373 is a wasteful number, since it uses less digits than its factorization.

42686373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643.

The product of its digits is 145152, while the sum is 39.

The square root of 42686373 is about 6533.4809252037. The cubic root of 42686373 is about 349.4859747012.

The spelling of 42686373 in words is "forty-two million, six hundred eighty-six thousand, three hundred seventy-three".