42786376 has 32 divisors (see below), whose sum is σ = 83476800. Its totient is φ = 20543040.

The previous prime is 42786361. The next prime is 42786377. The reversal of 42786376 is 67368724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (42786377) 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, 19965 + ... + 22003.

It is an arithmetic number, because the mean of its divisors is an integer number (2608650).

Almost surely, 2^42786376 is an apocalyptic number.

It is an amenable number.

42786376 is a deficient number, since it is larger than the sum of its proper divisors (40690424).

42786376 is a wasteful number, since it uses less digits than its factorization.

42786376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2145 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 42786376 is about 6541.1295660612. The cubic root of 42786376 is about 349.7586799099.

The spelling of 42786376 in words is "forty-two million, seven hundred eighty-six thousand, three hundred seventy-six".