207423740 has 12 divisors (see below), whose sum is σ = 435589896. Its totient is φ = 82969488.

The previous prime is 207423721. The next prime is 207423751. The reversal of 207423740 is 47324702.

207423740 is digitally balanced in base 2, 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 3 ways as a sum of consecutive naturals, for example, 5185574 + ... + 5185613.

It is an arithmetic number, because the mean of its divisors is an integer number (36299158).

Almost surely, 2^207423740 is an apocalyptic number.

207423740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207423740 is an abundant number, since it is smaller than the sum of its proper divisors (228166156).

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

207423740 is a wasteful number, since it uses less digits than its factorization.

207423740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371196 (or 10371194 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 207423740 is about 14402.2130243932. The cubic root of 207423740 is about 591.9515383693.

The spelling of 207423740 in words is "two hundred seven million, four hundred twenty-three thousand, seven hundred forty".