207426340 has 24 divisors (see below), whose sum is σ = 475195392. Its totient is φ = 75427680.

The previous prime is 207426319. The next prime is 207426347. The reversal of 207426340 is 43624702.

It is a junction number, because it is equal to n+sod(n) for n = 207426299 and 207426308.

It is not an unprimeable number, because it can be changed into a prime (207426347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471204 + ... + 471643.

It is an arithmetic number, because the mean of its divisors is an integer number (19799808).

Almost surely, 2^207426340 is an apocalyptic number.

207426340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207426340 is an abundant number, since it is smaller than the sum of its proper divisors (267769052).

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

207426340 is a wasteful number, since it uses less digits than its factorization.

207426340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942867 (or 942865 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 207426340 is about 14402.3032880161. The cubic root of 207426340 is about 591.9540116759.

The spelling of 207426340 in words is "two hundred seven million, four hundred twenty-six thousand, three hundred forty".