42084620 has 24 divisors (see below), whose sum is σ = 93030000. Its totient is φ = 15947712.

The previous prime is 42084607. The next prime is 42084631. The reversal of 42084620 is 2648024.

It is a super-2 number, since 2×42084620² = 3542230481088800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42084620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54995 + ... + 55754.

It is an arithmetic number, because the mean of its divisors is an integer number (3876250).

Almost surely, 2^42084620 is an apocalyptic number.

It is an amenable number.

42084620 is an abundant number, since it is smaller than the sum of its proper divisors (50945380).

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

42084620 is a wasteful number, since it uses less digits than its factorization.

42084620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110777 (or 110775 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 42084620 is about 6487.2659880723. The cubic root of 42084620 is about 347.8359534203.

The spelling of 42084620 in words is "forty-two million, eighty-four thousand, six hundred twenty".