42660611 has 4 divisors (see below), whose sum is σ = 48754992. Its totient is φ = 36566232.

The previous prime is 42660571. The next prime is 42660641. The reversal of 42660611 is 11606624.

It is a happy number.

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 42660611 - 2¹⁰ = 42659587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42660641) 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, 3047180 + ... + 3047193.

It is an arithmetic number, because the mean of its divisors is an integer number (12188748).

Almost surely, 2^42660611 is an apocalyptic number.

42660611 is a deficient number, since it is larger than the sum of its proper divisors (6094381).

42660611 is an equidigital number, since it uses as much as digits as its factorization.

42660611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094380.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 42660611 is about 6531.5090905548. The cubic root of 42660611 is about 349.4156535120.

The spelling of 42660611 in words is "forty-two million, six hundred sixty thousand, six hundred eleven".