201734720 has 112 divisors (see below), whose sum is σ = 528450048. Its totient is φ = 72744960.

The previous prime is 201734717. The next prime is 201734777. The reversal of 201734720 is 27437102.

It is a self number, because there is not a number n which added to its sum of digits gives 201734720.

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, 784832 + ... + 785088.

It is an arithmetic number, because the mean of its divisors is an integer number (4718304).

Almost surely, 2^201734720 is an apocalyptic number.

201734720 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 201734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264225024).

201734720 is an abundant number, since it is smaller than the sum of its proper divisors (326715328).

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

201734720 is a wasteful number, since it uses less digits than its factorization.

201734720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 201734720 is about 14203.3348196823. The cubic root of 201734720 is about 586.4894666850.

The spelling of 201734720 in words is "two hundred one million, seven hundred thirty-four thousand, seven hundred twenty".