1725715632 has 20 divisors (see below), whose sum is σ = 4458098840. Its totient is φ = 575238528.

The previous prime is 1725715619. The next prime is 1725715639. The reversal of 1725715632 is 2365175271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1725715639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17976157 + ... + 17976252.

It is an arithmetic number, because the mean of its divisors is an integer number (222904942).

Almost surely, 2^1725715632 is an apocalyptic number.

1725715632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1725715632 is an abundant number, since it is smaller than the sum of its proper divisors (2732383208).

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

1725715632 is a wasteful number, since it uses less digits than its factorization.

1725715632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35952420 (or 35952414 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 1725715632 is about 41541.7336181339. The cubic root of 1725715632 is about 1199.4709779251.

The spelling of 1725715632 in words is "one billion, seven hundred twenty-five million, seven hundred fifteen thousand, six hundred thirty-two".