42873786 has 40 divisors (see below), whose sum is σ = 96459264. Its totient is φ = 14233320.

The previous prime is 42873781. The next prime is 42873791. The reversal of 42873786 is 68737824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42873781) and next prime (42873791).

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (42873781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61701 + ... + 62391.

Almost surely, 2^42873786 is an apocalyptic number.

42873786 is an abundant number, since it is smaller than the sum of its proper divisors (53585478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42873786 is a wasteful number, since it uses less digits than its factorization.

42873786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1079 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 42873786 is about 6547.8077247274. The cubic root of 42873786 is about 349.9966965675.

The spelling of 42873786 in words is "forty-two million, eight hundred seventy-three thousand, seven hundred eighty-six".