1725868090 has 16 divisors (see below), whose sum is σ = 3127138560. Its totient is φ = 685774800.

The previous prime is 1725868087. The next prime is 1725868121. The reversal of 1725868090 is 908685271.

It is a self number, because there is not a number n which added to its sum of digits gives 1725868090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569970 + ... + 572989.

It is an arithmetic number, because the mean of its divisors is an integer number (195446160).

Almost surely, 2^1725868090 is an apocalyptic number.

1725868090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1725868090 is a deficient number, since it is larger than the sum of its proper divisors (1401270470).

1725868090 is a wasteful number, since it uses less digits than its factorization.

1725868090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143117.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1725868090 is about 41543.5685756532. The cubic root of 1725868090 is about 1199.5062992256.

The spelling of 1725868090 in words is "one billion, seven hundred twenty-five million, eight hundred sixty-eight thousand, ninety".