207243642 has 16 divisors (see below), whose sum is σ = 420166080. Its totient is φ = 68134752.

The previous prime is 207243637. The next prime is 207243667. The reversal of 207243642 is 246342702.

207243642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236142 + ... + 237017.

It is an arithmetic number, because the mean of its divisors is an integer number (26260380).

Almost surely, 2^207243642 is an apocalyptic number.

207243642 is an abundant number, since it is smaller than the sum of its proper divisors (212922438).

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

207243642 is a wasteful number, since it uses less digits than its factorization.

207243642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473237.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 207243642 is about 14395.9592247269. The cubic root of 207243642 is about 591.7801658961.

The spelling of 207243642 in words is "two hundred seven million, two hundred forty-three thousand, six hundred forty-two".