307872630 has 128 divisors (see below), whose sum is σ = 890265600. Its totient is φ = 75261312.

The previous prime is 307872623. The next prime is 307872659. The reversal of 307872630 is 36278703.

307872630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 838707 + ... + 839073.

It is an arithmetic number, because the mean of its divisors is an integer number (6955200).

Almost surely, 2^307872630 is an apocalyptic number.

307872630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 307872630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445132800).

307872630 is an abundant number, since it is smaller than the sum of its proper divisors (582392970).

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

307872630 is a wasteful number, since it uses less digits than its factorization.

307872630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 307872630 is about 17546.2996098893. The cubic root of 307872630 is about 675.2382368936.

The spelling of 307872630 in words is "three hundred seven million, eight hundred seventy-two thousand, six hundred thirty".