612722350926 has 144 divisors (see below), whose sum is σ = 1566722312064. Its totient is φ = 172526796288.

The previous prime is 612722350921. The next prime is 612722350949. The reversal of 612722350926 is 629053227216.

612722350926 is a `hidden beast` number, since 6 + 1 + 272 + 2 + 350 + 9 + 26 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612722350921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 100889826 + ... + 100895898.

It is an arithmetic number, because the mean of its divisors is an integer number (10880016056).

Almost surely, 2^612722350926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612722350926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783361156032).

612722350926 is an abundant number, since it is smaller than the sum of its proper divisors (953999961138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612722350926 is a wasteful number, since it uses less digits than its factorization.

612722350926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735 (or 7725 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 612722350926 in words is "six hundred twelve billion, seven hundred twenty-two million, three hundred fifty thousand, nine hundred twenty-six".