206372742 has 8 divisors (see below), whose sum is σ = 412745496. Its totient is φ = 68790912.

The previous prime is 206372731. The next prime is 206372753. The reversal of 206372742 is 247273602.

It is an interprime number because it is at equal distance from previous prime (206372731) and next prime (206372753).

It is a sphenic number, since it is the product of 3 distinct primes.

206372742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17197723 + ... + 17197734.

It is an arithmetic number, because the mean of its divisors is an integer number (51593187).

Almost surely, 2^206372742 is an apocalyptic number.

206372742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206372742 is a wasteful number, since it uses less digits than its factorization.

206372742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34395462.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 206372742 is about 14365.6793086857. The cubic root of 206372742 is about 590.9500560461.

The spelling of 206372742 in words is "two hundred six million, three hundred seventy-two thousand, seven hundred forty-two".