612576842 has 8 divisors (see below), whose sum is σ = 926997156. Its totient is φ = 303577792.

The previous prime is 612576841. The next prime is 612576851. The reversal of 612576842 is 248675216.

It can be written as a sum of positive squares in 2 ways, for example, as 458345281 + 154231561 = 21409^2 + 12419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 612576842.

It is not an unprimeable number, because it can be changed into a prime (612576841) 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, 1355033 + ... + 1355484.

Almost surely, 2^612576842 is an apocalyptic number.

612576842 is a deficient number, since it is larger than the sum of its proper divisors (314420314).

612576842 is a wasteful number, since it uses less digits than its factorization.

612576842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710632.

The product of its digits is 161280, while the sum is 41.

The square root of 612576842 is about 24750.2897356778. The cubic root of 612576842 is about 849.2851392153.

The spelling of 612576842 in words is "six hundred twelve million, five hundred seventy-six thousand, eight hundred forty-two".