618764712 has 64 divisors (see below), whose sum is σ = 1600335360. Its totient is φ = 199161600.

The previous prime is 618764651. The next prime is 618764737. The reversal of 618764712 is 217467816.

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 15 ways as a sum of consecutive naturals, for example, 610318 + ... + 611330.

It is an arithmetic number, because the mean of its divisors is an integer number (25005240).

Almost surely, 2^618764712 is an apocalyptic number.

618764712 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618764712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800167680).

618764712 is an abundant number, since it is smaller than the sum of its proper divisors (981570648).

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

618764712 is a wasteful number, since it uses less digits than its factorization.

618764712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1870 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 618764712 is about 24874.9816482344. The cubic root of 618764712 is about 852.1352140534.

The spelling of 618764712 in words is "six hundred eighteen million, seven hundred sixty-four thousand, seven hundred twelve".