42612679 has 4 divisors (see below), whose sum is σ = 43152160. Its totient is φ = 42073200.

The previous prime is 42612677. The next prime is 42612707. The reversal of 42612679 is 97621624.

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 42612679 - 2¹ = 42612677 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 (42612677) 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, 269622 + ... + 269779.

It is an arithmetic number, because the mean of its divisors is an integer number (10788040).

Almost surely, 2^42612679 is an apocalyptic number.

42612679 is a deficient number, since it is larger than the sum of its proper divisors (539481).

42612679 is an equidigital number, since it uses as much as digits as its factorization.

42612679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539480.

The product of its digits is 36288, while the sum is 37.

The square root of 42612679 is about 6527.8387694550. The cubic root of 42612679 is about 349.2847406536.

The spelling of 42612679 in words is "forty-two million, six hundred twelve thousand, six hundred seventy-nine".