207320733 has 12 divisors (see below), whose sum is σ = 299729820. Its totient is φ = 138090816.

The previous prime is 207320717. The next prime is 207320753. The reversal of 207320733 is 337023702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63968004 + 143352729 = 7998^2 + 11973^2 .

It is not a de Polignac number, because 207320733 - 2⁴ = 207320717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 207320697 and 207320706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207320753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1083 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (24977485).

Almost surely, 2^207320733 is an apocalyptic number.

It is an amenable number.

207320733 is a deficient number, since it is larger than the sum of its proper divisors (92409087).

207320733 is a wasteful number, since it uses less digits than its factorization.

207320733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20508 (or 20505 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 207320733 is about 14398.6364979466. The cubic root of 207320733 is about 591.8535340805.

The spelling of 207320733 in words is "two hundred seven million, three hundred twenty thousand, seven hundred thirty-three".