306805048974 has 144 divisors (see below), whose sum is σ = 733563885600. Its totient is φ = 96232339008.

The previous prime is 306805048969. The next prime is 306805049027. The reversal of 306805048974 is 479840508603.

306805048974 is a `hidden beast` number, since 3 + 0 + 68 + 0 + 504 + 8 + 9 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 306805048974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64466007 + ... + 64470765.

It is an arithmetic number, because the mean of its divisors is an integer number (5094193650).

Almost surely, 2^306805048974 is an apocalyptic number.

306805048974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 306805048974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366781942800).

306805048974 is an abundant number, since it is smaller than the sum of its proper divisors (426758836626).

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

306805048974 is an frugal number, since it uses more digits than its factorization.

306805048974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 306805048974 in words is "three hundred six billion, eight hundred five million, forty-eight thousand, nine hundred seventy-four".