207149500 has 48 divisors (see below), whose sum is σ = 472110912. Its totient is φ = 79252800.

The previous prime is 207149497. The next prime is 207149513. The reversal of 207149500 is 5941702.

It is a happy number.

207149500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2494 + ... + 20506.

It is an arithmetic number, because the mean of its divisors is an integer number (9835644).

Almost surely, 2^207149500 is an apocalyptic number.

207149500 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 207149500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236055456).

207149500 is an abundant number, since it is smaller than the sum of its proper divisors (264961412).

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

207149500 is a wasteful number, since it uses less digits than its factorization.

207149500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18055 (or 18043 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 207149500 is about 14392.6891163535. The cubic root of 207149500 is about 591.6905454446.

The spelling of 207149500 in words is "two hundred seven million, one hundred forty-nine thousand, five hundred".