207235340 has 48 divisors (see below), whose sum is σ = 470225952. Its totient is φ = 76263936.

The previous prime is 207235339. The next prime is 207235349. The reversal of 207235340 is 43532702.

It is a super-2 number, since 2×207235340² = 85892972289831200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (207235349) 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 15 ways as a sum of consecutive naturals, for example, 89072 + ... + 91368.

It is an arithmetic number, because the mean of its divisors is an integer number (9796374).

Almost surely, 2^207235340 is an apocalyptic number.

207235340 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 207235340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235112976).

207235340 is an abundant number, since it is smaller than the sum of its proper divisors (262990612).

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

207235340 is a wasteful number, since it uses less digits than its factorization.

207235340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 207235340 is about 14395.6708770380. The cubic root of 207235340 is about 591.7722637244.

The spelling of 207235340 in words is "two hundred seven million, two hundred thirty-five thousand, three hundred forty".