612681334 has 16 divisors (see below), whose sum is σ = 998599680. Its totient is φ = 280855080.

The previous prime is 612681319. The next prime is 612681341. The reversal of 612681334 is 433186216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 612681334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258874 + ... + 261229.

It is an arithmetic number, because the mean of its divisors is an integer number (62412480).

Almost surely, 2^612681334 is an apocalyptic number.

612681334 is a deficient number, since it is larger than the sum of its proper divisors (385918346).

612681334 is a wasteful number, since it uses less digits than its factorization.

612681334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520155.

The product of its digits is 20736, while the sum is 34.

The square root of 612681334 is about 24752.4005704497. The cubic root of 612681334 is about 849.3334261954. Note that the first 3 decimals are identical.

The spelling of 612681334 in words is "six hundred twelve million, six hundred eighty-one thousand, three hundred thirty-four".