207045642 has 16 divisors (see below), whose sum is σ = 417962592. Its totient is φ = 68370000.

The previous prime is 207045637. The next prime is 207045647. The reversal of 207045642 is 246540702.

It is an interprime number because it is at equal distance from previous prime (207045637) and next prime (207045647).

It is not an unprimeable number, because it can be changed into a prime (207045647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160609 + ... + 161892.

It is an arithmetic number, because the mean of its divisors is an integer number (26122662).

Almost surely, 2^207045642 is an apocalyptic number.

207045642 is an abundant number, since it is smaller than the sum of its proper divisors (210916950).

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

207045642 is a wasteful number, since it uses less digits than its factorization.

207045642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322613.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 207045642 is about 14389.0806516608. The cubic root of 207045642 is about 591.5916441366.

The spelling of 207045642 in words is "two hundred seven million, forty-five thousand, six hundred forty-two".