306713736 has 96 divisors (see below), whose sum is σ = 991116000. Its totient is φ = 87629472.

The previous prime is 306713723. The next prime is 306713747. The reversal of 306713736 is 637317603.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 306713736.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3906 + ... + 25073.

It is an arithmetic number, because the mean of its divisors is an integer number (10324125).

Almost surely, 2^306713736 is an apocalyptic number.

306713736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306713736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495558000).

306713736 is an abundant number, since it is smaller than the sum of its proper divisors (684402264).

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

306713736 is a wasteful number, since it uses less digits than its factorization.

306713736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29008 (or 28991 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 36.

The square root of 306713736 is about 17513.2445880254. The cubic root of 306713736 is about 674.3899277887.

The spelling of 306713736 in words is "three hundred six million, seven hundred thirteen thousand, seven hundred thirty-six".