307068528 has 80 divisors (see below), whose sum is σ = 859806080. Its totient is φ = 93871872.

The previous prime is 307068523. The next prime is 307068529. The reversal of 307068528 is 825860703.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307068523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100203 + ... + 103221.

It is an arithmetic number, because the mean of its divisors is an integer number (10747576).

Almost surely, 2^307068528 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 307068528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429903040).

307068528 is an abundant number, since it is smaller than the sum of its proper divisors (552737552).

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

307068528 is a wasteful number, since it uses less digits than its factorization.

307068528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 307068528 is about 17523.3709085895. The cubic root of 307068528 is about 674.6498617536.

The spelling of 307068528 in words is "three hundred seven million, sixty-eight thousand, five hundred twenty-eight".