307630117 has 4 divisors (see below), whose sum is σ = 307748556. Its totient is φ = 307511680.

The previous prime is 307630111. The next prime is 307630151. The reversal of 307630117 is 711036703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234886276 + 72743841 = 15326^2 + 8529^2 .

It is a cyclic number.

It is not a de Polignac number, because 307630117 - 2¹⁹ = 307105829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307630111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55234 + ... + 60547.

It is an arithmetic number, because the mean of its divisors is an integer number (76937139).

Almost surely, 2^307630117 is an apocalyptic number.

It is an amenable number.

307630117 is a deficient number, since it is larger than the sum of its proper divisors (118439).

307630117 is a wasteful number, since it uses less digits than its factorization.

307630117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118438.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 307630117 is about 17539.3875890808. The cubic root of 307630117 is about 675.0608940034.

The spelling of 307630117 in words is "three hundred seven million, six hundred thirty thousand, one hundred seventeen".