42814749 has 8 divisors (see below), whose sum is σ = 57117312. Its totient is φ = 28527680.

The previous prime is 42814747. The next prime is 42814769. The reversal of 42814749 is 94741824.

42814749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42814749 - 2¹ = 42814747 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42814747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6709 + ... + 11429.

It is an arithmetic number, because the mean of its divisors is an integer number (7139664).

Almost surely, 2^42814749 is an apocalyptic number.

It is an amenable number.

42814749 is a deficient number, since it is larger than the sum of its proper divisors (14302563).

42814749 is a wasteful number, since it uses less digits than its factorization.

42814749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747.

The product of its digits is 64512, while the sum is 39.

The square root of 42814749 is about 6543.2980216402. The cubic root of 42814749 is about 349.8359748434.

The spelling of 42814749 in words is "forty-two million, eight hundred fourteen thousand, seven hundred forty-nine".