42707911 has 4 divisors (see below), whose sum is σ = 42844672. Its totient is φ = 42571152.

The previous prime is 42707897. The next prime is 42707963. The reversal of 42707911 is 11970724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42707911 - 2¹³ = 42699719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67911 + ... + 68536.

It is an arithmetic number, because the mean of its divisors is an integer number (10711168).

Almost surely, 2^42707911 is an apocalyptic number.

42707911 is a deficient number, since it is larger than the sum of its proper divisors (136761).

42707911 is a wasteful number, since it uses less digits than its factorization.

42707911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136760.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 42707911 is about 6535.1289964315. The cubic root of 42707911 is about 349.5447441458.

The spelling of 42707911 in words is "forty-two million, seven hundred seven thousand, nine hundred eleven".