207072099 has 32 divisors (see below), whose sum is σ = 338452800. Its totient is φ = 124312320.

The previous prime is 207072097. The next prime is 207072109. The reversal of 207072099 is 990270702.

It is a Cunningham number, because it is equal to 14390²-1.

It is not a de Polignac number, because 207072099 - 2¹ = 207072097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207072097) 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, 7197 + ... + 21585.

It is an arithmetic number, because the mean of its divisors is an integer number (10576650).

Almost surely, 2^207072099 is an apocalyptic number.

207072099 is a deficient number, since it is larger than the sum of its proper divisors (131380701).

207072099 is a wasteful number, since it uses less digits than its factorization.

207072099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14452 (or 14446 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 207072099 is about 14389.9999652536. Note that the first 4 decimals coincide. The cubic root of 207072099 is about 591.6168415977.

The spelling of 207072099 in words is "two hundred seven million, seventy-two thousand, ninety-nine".