207683140 has 24 divisors (see below), whose sum is σ = 498439872. Its totient is φ = 71205600.

The previous prime is 207683137. The next prime is 207683143. The reversal of 207683140 is 41386702.

It is an interprime number because it is at equal distance from previous prime (207683137) and next prime (207683143).

It is not an unprimeable number, because it can be changed into a prime (207683143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741586 + ... + 741865.

It is an arithmetic number, because the mean of its divisors is an integer number (20768328).

Almost surely, 2^207683140 is an apocalyptic number.

207683140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207683140 is an abundant number, since it is smaller than the sum of its proper divisors (290756732).

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

207683140 is a wasteful number, since it uses less digits than its factorization.

207683140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483467 (or 1483465 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 207683140 is about 14411.2157710583. The cubic root of 207683140 is about 592.1981965125.

The spelling of 207683140 in words is "two hundred seven million, six hundred eighty-three thousand, one hundred forty".