207072743 has 4 divisors (see below), whose sum is σ = 207932208. Its totient is φ = 206213280.

The previous prime is 207072737. The next prime is 207072763. The reversal of 207072743 is 347270702.

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

It is a cyclic number.

It is not a de Polignac number, because 207072743 - 2⁴ = 207072727 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 (207072763) 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, 429371 + ... + 429852.

It is an arithmetic number, because the mean of its divisors is an integer number (51983052).

Almost surely, 2^207072743 is an apocalyptic number.

207072743 is a deficient number, since it is larger than the sum of its proper divisors (859465).

207072743 is an equidigital number, since it uses as much as digits as its factorization.

207072743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859464.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 207072743 is about 14390.0223418868. The cubic root of 207072743 is about 591.6174549120.

The spelling of 207072743 in words is "two hundred seven million, seventy-two thousand, seven hundred forty-three".