307448073 has 12 divisors (see below), whose sum is σ = 446574960. Its totient is φ = 203819256.

The previous prime is 307448051. The next prime is 307448083. The reversal of 307448073 is 370844703.

It is not a de Polignac number, because 307448073 - 2⁸ = 307447817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (307448003) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 93811 + ... + 97032.

It is an arithmetic number, because the mean of its divisors is an integer number (37214580).

Almost surely, 2^307448073 is an apocalyptic number.

It is an amenable number.

307448073 is a deficient number, since it is larger than the sum of its proper divisors (139126887).

307448073 is a wasteful number, since it uses less digits than its factorization.

307448073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191028 (or 191025 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 307448073 is about 17534.1972442425. The cubic root of 307448073 is about 674.9277091305.

The spelling of 307448073 in words is "three hundred seven million, four hundred forty-eight thousand, seventy-three".