306873025387072 has 14 divisors (see below), whose sum is σ = 608951159752598. Its totient is φ = 153436512693504.

The previous prime is 306873025387057. The next prime is 306873025387081. The reversal of 306873025387072 is 270783520378603.

It can be written as a sum of positive squares in only one way, i.e., 221311561383936 + 85561464003136 = 14876544^2 + 9249944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 306873025387072.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2397445510773 + ... + 2397445510900.

Almost surely, 2^{306873025387072} is an apocalyptic number.

306873025387072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

306873025387072 is a deficient number, since it is larger than the sum of its proper divisors (302078134365526).

306873025387072 is an equidigital number, since it uses as much as digits as its factorization.

306873025387072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794891021685 (or 4794891021675 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 61.

The spelling of 306873025387072 in words is "three hundred six trillion, eight hundred seventy-three billion, twenty-five million, three hundred eighty-seven thousand, seventy-two".