42741786 has 32 divisors (see below), whose sum is σ = 86982336. Its totient is φ = 14000000.

The previous prime is 42741781. The next prime is 42741821. The reversal of 42741786 is 68714724.

It is not an unprimeable number, because it can be changed into a prime (42741781) 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, 151966 + ... + 152246.

It is an arithmetic number, because the mean of its divisors is an integer number (2718198).

Almost surely, 2^42741786 is an apocalyptic number.

42741786 is an abundant number, since it is smaller than the sum of its proper divisors (44240550).

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

42741786 is a wasteful number, since it uses less digits than its factorization.

42741786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its digits is 75264, while the sum is 39.

The square root of 42741786 is about 6537.7202448560. The cubic root of 42741786 is about 349.6371368561.

The spelling of 42741786 in words is "forty-two million, seven hundred forty-one thousand, seven hundred eighty-six".