612426791 has 8 divisors (see below), whose sum is σ = 644899200. Its totient is φ = 579978360.

The previous prime is 612426767. The next prime is 612426809. The reversal of 612426791 is 197624216.

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

It is a cyclic number.

It is not a de Polignac number, because 612426791 - 2¹⁸ = 612164647 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 (612426721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73790 + ... + 81668.

It is an arithmetic number, because the mean of its divisors is an integer number (80612400).

Almost surely, 2^612426791 is an apocalyptic number.

612426791 is a deficient number, since it is larger than the sum of its proper divisors (32472409).

612426791 is a wasteful number, since it uses less digits than its factorization.

612426791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11989.

The product of its digits is 36288, while the sum is 38.

The square root of 612426791 is about 24747.2582521782. The cubic root of 612426791 is about 849.2157892811.

The spelling of 612426791 in words is "six hundred twelve million, four hundred twenty-six thousand, seven hundred ninety-one".