1725745630 has 32 divisors (see below), whose sum is σ = 3672527040. Its totient is φ = 571280640.

The previous prime is 1725745597. The next prime is 1725745649. The reversal of 1725745630 is 365475271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423031 + ... + 427090.

It is an arithmetic number, because the mean of its divisors is an integer number (114766470).

Almost surely, 2^1725745630 is an apocalyptic number.

1725745630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1725745630 is an abundant number, since it is smaller than the sum of its proper divisors (1946781410).

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

1725745630 is a wasteful number, since it uses less digits than its factorization.

1725745630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850164.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 1725745630 is about 41542.0946751605. The cubic root of 1725745630 is about 1199.4779279929.

The spelling of 1725745630 in words is "one billion, seven hundred twenty-five million, seven hundred forty-five thousand, six hundred thirty".