612742479 has 8 divisors (see below), whose sum is σ = 845162160. Its totient is φ = 394408896.

The previous prime is 612742477. The next prime is 612742489. The reversal of 612742479 is 974247216.

612742479 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 not a de Polignac number, because 612742479 - 2¹ = 612742477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612742479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612742477) 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, 3521422 + ... + 3521595.

It is an arithmetic number, because the mean of its divisors is an integer number (105645270).

Almost surely, 2^612742479 is an apocalyptic number.

612742479 is a deficient number, since it is larger than the sum of its proper divisors (232419681).

612742479 is a wasteful number, since it uses less digits than its factorization.

612742479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043049.

The product of its digits is 169344, while the sum is 42.

The square root of 612742479 is about 24753.6356723613. The cubic root of 612742479 is about 849.3616794716.

The spelling of 612742479 in words is "six hundred twelve million, seven hundred forty-two thousand, four hundred seventy-nine".