42020716 has 6 divisors (see below), whose sum is σ = 73536260. Its totient is φ = 21010356.

The previous prime is 42020687. The next prime is 42020729. The reversal of 42020716 is 61702024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252586 + ... + 5252593.

Almost surely, 2^42020716 is an apocalyptic number.

It is an amenable number.

42020716 is a deficient number, since it is larger than the sum of its proper divisors (31515544).

42020716 is a wasteful number, since it uses less digits than its factorization.

42020716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505183 (or 10505181 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 42020716 is about 6482.3387754729. The cubic root of 42020716 is about 347.6598053870.

The spelling of 42020716 in words is "forty-two million, twenty thousand, seven hundred sixteen".