207240005 has 32 divisors (see below), whose sum is σ = 303519744. Its totient is φ = 132745536.

The previous prime is 207240001. The next prime is 207240023. The reversal of 207240005 is 500042702.

207240005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 207240005 - 2² = 207240001 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 (207240001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31622 + ... + 37608.

It is an arithmetic number, because the mean of its divisors is an integer number (9484992).

Almost surely, 2^207240005 is an apocalyptic number.

It is an amenable number.

207240005 is a deficient number, since it is larger than the sum of its proper divisors (96279739).

207240005 is a wasteful number, since it uses less digits than its factorization.

207240005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 207240005 is about 14395.8329040039. The cubic root of 207240005 is about 591.7767040817.

Adding to 207240005 its reverse (500042702), we get a palindrome (707282707).

The spelling of 207240005 in words is "two hundred seven million, two hundred forty thousand, five".