307442073 has 8 divisors (see below), whose sum is σ = 410012928. Its totient is φ = 204916304.

The previous prime is 307442071. The next prime is 307442077. The reversal of 307442073 is 370244703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 307442073 - 2¹ = 307442071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 307442073.

It is not an unprimeable number, because it can be changed into a prime (307442071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840 + ... + 27062.

It is an arithmetic number, because the mean of its divisors is an integer number (51251616).

Almost surely, 2^307442073 is an apocalyptic number.

It is an amenable number.

307442073 is a deficient number, since it is larger than the sum of its proper divisors (102570855).

307442073 is a wasteful number, since it uses less digits than its factorization.

307442073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 307442073 is about 17534.0261491763. The cubic root of 307442073 is about 674.9233185868.

Adding to 307442073 its reverse (370244703), we get a palindrome (677686776).

The spelling of 307442073 in words is "three hundred seven million, four hundred forty-two thousand, seventy-three".