42760405 has 8 divisors (see below), whose sum is σ = 52078752. Its totient is φ = 33697488.

The previous prime is 42760397. The next prime is 42760429. The reversal of 42760405 is 50406724.

42760405 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 42760405 - 2³ = 42760397 is a prime.

It is a Duffinian number.

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, 63487 + ... + 64156.

It is an arithmetic number, because the mean of its divisors is an integer number (6509844).

Almost surely, 2^42760405 is an apocalyptic number.

It is an amenable number.

42760405 is a deficient number, since it is larger than the sum of its proper divisors (9318347).

42760405 is a wasteful number, since it uses less digits than its factorization.

42760405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127715.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42760405 is about 6539.1440571378. The cubic root of 42760405 is about 349.6878986470.

The spelling of 42760405 in words is "forty-two million, seven hundred sixty thousand, four hundred five".