207214993 has 4 divisors (see below), whose sum is σ = 209048868. Its totient is φ = 205381120.

The previous prime is 207214967. The next prime is 207215009. The reversal of 207214993 is 399412702.

207214993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38526849 + 168688144 = 6207^2 + 12988^2 .

It is a cyclic number.

It is not a de Polignac number, because 207214993 - 2⁵ = 207214961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207214093) 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, 916768 + ... + 916993.

It is an arithmetic number, because the mean of its divisors is an integer number (52262217).

Almost surely, 2^207214993 is an apocalyptic number.

It is an amenable number.

207214993 is a deficient number, since it is larger than the sum of its proper divisors (1833875).

207214993 is a wasteful number, since it uses less digits than its factorization.

207214993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833874.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 207214993 is about 14394.9641541756. The cubic root of 207214993 is about 591.7528957531.

The spelling of 207214993 in words is "two hundred seven million, two hundred fourteen thousand, nine hundred ninety-three".