42743451 has 8 divisors (see below), whose sum is σ = 58829824. Its totient is φ = 27576360.

The previous prime is 42743417. The next prime is 42743479. The reversal of 42743451 is 15434724.

42743451 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 not a de Polignac number, because 42743451 - 2⁹ = 42742939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42743401) 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, 229711 + ... + 229896.

It is an arithmetic number, because the mean of its divisors is an integer number (7353728).

Almost surely, 2^42743451 is an apocalyptic number.

42743451 is a deficient number, since it is larger than the sum of its proper divisors (16086373).

42743451 is a wasteful number, since it uses less digits than its factorization.

42743451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459641.

The product of its digits is 13440, while the sum is 30.

The square root of 42743451 is about 6537.8475815822. The cubic root of 42743451 is about 349.6416768183.

The spelling of 42743451 in words is "forty-two million, seven hundred forty-three thousand, four hundred fifty-one".