307077664 has 48 divisors (see below), whose sum is σ = 641957400. Its totient is φ = 144093184.

The previous prime is 307077629. The next prime is 307077697. The reversal of 307077664 is 466770703.

It can be written as a sum of positive squares in 4 ways, for example, as 259467664 + 47610000 = 16108^2 + 6900^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276342 + ... + 277450.

Almost surely, 2^307077664 is an apocalyptic number.

307077664 is a gapful number since it is divisible by the number (34) 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 307077664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320978700).

307077664 is an abundant number, since it is smaller than the sum of its proper divisors (334879736).

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

307077664 is a wasteful number, since it uses less digits than its factorization.

307077664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 307077664 is about 17523.6315870883. The cubic root of 307077664 is about 674.6565524859.

The spelling of 307077664 in words is "three hundred seven million, seventy-seven thousand, six hundred sixty-four".