307704001628 has 24 divisors (see below), whose sum is σ = 545136715200. Its totient is φ = 151959561408.

The previous prime is 307704001621. The next prime is 307704001639. The reversal of 307704001628 is 826100407703.

It is a junction number, because it is equal to n+sod(n) for n = 307704001591 and 307704001600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307704001621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974948 + ... + 1251371.

It is an arithmetic number, because the mean of its divisors is an integer number (22714029800).

Almost surely, 2^307704001628 is an apocalyptic number.

It is an amenable number.

307704001628 is a deficient number, since it is larger than the sum of its proper divisors (237432713572).

307704001628 is a wasteful number, since it uses less digits than its factorization.

307704001628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226749 (or 2226747 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 307704001628 in words is "three hundred seven billion, seven hundred four million, one thousand, six hundred twenty-eight".