42734455 has 8 divisors (see below), whose sum is σ = 51400800. Its totient is φ = 34107936.

The previous prime is 42734449. The next prime is 42734479. The reversal of 42734455 is 55443724.

42734455 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 a de Polignac number, because none of the positive numbers 2^k-42734455 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42734455.

It is a congruent number.

It is an unprimeable number.

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, 7540 + ... + 11929.

It is an arithmetic number, because the mean of its divisors is an integer number (6425100).

Almost surely, 2^42734455 is an apocalyptic number.

42734455 is a deficient number, since it is larger than the sum of its proper divisors (8666345).

42734455 is a wasteful number, since it uses less digits than its factorization.

42734455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19913.

The product of its digits is 67200, while the sum is 34.

The square root of 42734455 is about 6537.1595513648. The cubic root of 42734455 is about 349.6171459866.

The spelling of 42734455 in words is "forty-two million, seven hundred thirty-four thousand, four hundred fifty-five".