42800745 has 16 divisors (see below), whose sum is σ = 73749312. Its totient is φ = 21071040.

The previous prime is 42800743. The next prime is 42800759. The reversal of 42800745 is 54700824.

It is not a de Polignac number, because 42800745 - 2¹ = 42800743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42800743) 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, 109551 + ... + 109940.

It is an arithmetic number, because the mean of its divisors is an integer number (4609332).

Almost surely, 2^42800745 is an apocalyptic number.

It is an amenable number.

42800745 is a deficient number, since it is larger than the sum of its proper divisors (30948567).

42800745 is a wasteful number, since it uses less digits than its factorization.

42800745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219512.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 42800745 is about 6542.2278315571. The cubic root of 42800745 is about 349.7978288202.

The spelling of 42800745 in words is "forty-two million, eight hundred thousand, seven hundred forty-five".