42740076 has 12 divisors (see below), whose sum is σ = 99726872. Its totient is φ = 14246688.

The previous prime is 42740059. The next prime is 42740107. The reversal of 42740076 is 67004724.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780825 + ... + 1780848.

Almost surely, 2^42740076 is an apocalyptic number.

It is an amenable number.

42740076 is an abundant number, since it is smaller than the sum of its proper divisors (56986796).

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

42740076 is a wasteful number, since it uses less digits than its factorization.

42740076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561680 (or 3561678 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 42740076 is about 6537.5894640150. The cubic root of 42740076 is about 349.6324740696.

The spelling of 42740076 in words is "forty-two million, seven hundred forty thousand, seventy-six".