207072039 has 4 divisors (see below), whose sum is σ = 276096056. Its totient is φ = 138048024.

The previous prime is 207072031. The next prime is 207072049. The reversal of 207072039 is 930270702.

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

It is not a de Polignac number, because 207072039 - 2³ = 207072031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 207071997 and 207072015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207072031) 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, 34512004 + ... + 34512009.

It is an arithmetic number, because the mean of its divisors is an integer number (69024014).

Almost surely, 2^207072039 is an apocalyptic number.

207072039 is a deficient number, since it is larger than the sum of its proper divisors (69024017).

207072039 is an equidigital number, since it uses as much as digits as its factorization.

207072039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69024016.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 207072039 is about 14389.9978804724. The cubic root of 207072039 is about 591.6167844565.

The spelling of 207072039 in words is "two hundred seven million, seventy-two thousand, thirty-nine".