42911747 has 8 divisors (see below), whose sum is σ = 45716160. Its totient is φ = 40161960.

The previous prime is 42911717. The next prime is 42911753. The reversal of 42911747 is 74711924.

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 42911747 - 2⁶ = 42911683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42911717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12029 + ... + 15182.

It is an arithmetic number, because the mean of its divisors is an integer number (5714520).

Almost surely, 2^42911747 is an apocalyptic number.

42911747 is a deficient number, since it is larger than the sum of its proper divisors (2804413).

42911747 is a wasteful number, since it uses less digits than its factorization.

42911747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27313.

The product of its digits is 14112, while the sum is 35.

The square root of 42911747 is about 6550.7058398313. The cubic root of 42911747 is about 350.0999632836.

The spelling of 42911747 in words is "forty-two million, nine hundred eleven thousand, seven hundred forty-seven".