42926745 has 16 divisors (see below), whose sum is σ = 70145280. Its totient is φ = 22406784.

The previous prime is 42926743. The next prime is 42926749. The reversal of 42926745 is 54762924.

It is not a de Polignac number, because 42926745 - 2¹ = 42926743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42926743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29740 + ... + 31149.

It is an arithmetic number, because the mean of its divisors is an integer number (4384080).

Almost surely, 2^42926745 is an apocalyptic number.

It is an amenable number.

42926745 is a deficient number, since it is larger than the sum of its proper divisors (27218535).

42926745 is a wasteful number, since it uses less digits than its factorization.

42926745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60944.

The product of its digits is 120960, while the sum is 39.

The square root of 42926745 is about 6551.8505019574. The cubic root of 42926745 is about 350.1407461150.

The spelling of 42926745 in words is "forty-two million, nine hundred twenty-six thousand, seven hundred forty-five".