307249068 has 96 divisors (see below), whose sum is σ = 838139904. Its totient is φ = 85796928.

The previous prime is 307249067. The next prime is 307249081. The reversal of 307249068 is 860942703.

It is not an unprimeable number, because it can be changed into a prime (307249067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885271 + ... + 885617.

It is an arithmetic number, because the mean of its divisors is an integer number (8730624).

Almost surely, 2^307249068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307249068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419069952).

307249068 is an abundant number, since it is smaller than the sum of its proper divisors (530890836).

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

307249068 is a wasteful number, since it uses less digits than its factorization.

307249068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 307249068 is about 17528.5215577356. The cubic root of 307249068 is about 674.7820552889.

The spelling of 307249068 in words is "three hundred seven million, two hundred forty-nine thousand, sixty-eight".