42061836 has 24 divisors (see below), whose sum is σ = 98716464. Its totient is φ = 13938880.

The previous prime is 42061793. The next prime is 42061883. The reversal of 42061836 is 63816024.

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, 8055 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (4113186).

Almost surely, 2^42061836 is an apocalyptic number.

It is an amenable number.

42061836 is an abundant number, since it is smaller than the sum of its proper divisors (56654628).

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

42061836 is a wasteful number, since it uses less digits than its factorization.

42061836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20441 (or 20439 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42061836 is about 6485.5096946963. The cubic root of 42061836 is about 347.7731709836.

The spelling of 42061836 in words is "forty-two million, sixty-one thousand, eight hundred thirty-six".