207285340 has 48 divisors (see below), whose sum is σ = 447703200. Its totient is φ = 80568320.

The previous prime is 207285311. The next prime is 207285341. The reversal of 207285340 is 43582702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207285341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367899 + ... + 368461.

It is an arithmetic number, because the mean of its divisors is an integer number (9327150).

Almost surely, 2^207285340 is an apocalyptic number.

207285340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207285340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223851600).

207285340 is an abundant number, since it is smaller than the sum of its proper divisors (240417860).

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

207285340 is a wasteful number, since it uses less digits than its factorization.

207285340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 207285340 is about 14397.4074055019. The cubic root of 207285340 is about 591.8198525090.

The spelling of 207285340 in words is "two hundred seven million, two hundred eighty-five thousand, three hundred forty".