42710745 has 32 divisors (see below), whose sum is σ = 85201920. Its totient is φ = 17749440.

The previous prime is 42710741. The next prime is 42710791. The reversal of 42710745 is 54701724.

It is not a de Polignac number, because 42710745 - 2² = 42710741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42710741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17335 + ... + 19644.

It is an arithmetic number, because the mean of its divisors is an integer number (2662560).

Almost surely, 2^42710745 is an apocalyptic number.

It is an amenable number.

42710745 is a deficient number, since it is larger than the sum of its proper divisors (42491175).

42710745 is a wasteful number, since it uses less digits than its factorization.

42710745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37005.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 42710745 is about 6535.3458209952. The cubic root of 42710745 is about 349.5524756399.

The spelling of 42710745 in words is "forty-two million, seven hundred ten thousand, seven hundred forty-five".