42380712 has 64 divisors (see below), whose sum is σ = 128433600. Its totient is φ = 12841920.

The previous prime is 42380669. The next prime is 42380719. The reversal of 42380712 is 21708324.

It is a super-2 number, since 2×42380712² = 3592249499253888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42380719) 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, 6543 + ... + 11294.

It is an arithmetic number, because the mean of its divisors is an integer number (2006775).

Almost surely, 2^42380712 is an apocalyptic number.

It is an amenable number.

42380712 is an abundant number, since it is smaller than the sum of its proper divisors (86052888).

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

42380712 is a wasteful number, since it uses less digits than its factorization.

42380712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17863 (or 17853 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42380712 is about 6510.0470044386. The cubic root of 42380712 is about 348.6497966255.

The spelling of 42380712 in words is "forty-two million, three hundred eighty thousand, seven hundred twelve".