307077644 has 6 divisors (see below), whose sum is σ = 537385884. Its totient is φ = 153538820.

The previous prime is 307077629. The next prime is 307077697. The reversal of 307077644 is 446770703.

It is a junction number, because it is equal to n+sod(n) for n = 307077598 and 307077607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38384702 + ... + 38384709.

It is an arithmetic number, because the mean of its divisors is an integer number (89564314).

Almost surely, 2^307077644 is an apocalyptic number.

It is an amenable number.

307077644 is a deficient number, since it is larger than the sum of its proper divisors (230308240).

307077644 is a wasteful number, since it uses less digits than its factorization.

307077644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76769415 (or 76769413 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 307077644 is about 17523.6310164304. The cubic root of 307077644 is about 674.6565378391.

The spelling of 307077644 in words is "three hundred seven million, seventy-seven thousand, six hundred forty-four".