1725868356 has 48 divisors (see below), whose sum is σ = 4270694400. Its totient is φ = 540587520.

The previous prime is 1725868321. The next prime is 1725868379. The reversal of 1725868356 is 6538685271.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 1725868299 and 1725868308.

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, 128445 + ... + 141243.

It is an arithmetic number, because the mean of its divisors is an integer number (88972800).

Almost surely, 2^1725868356 is an apocalyptic number.

It is an amenable number.

1725868356 is an abundant number, since it is smaller than the sum of its proper divisors (2544826044).

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

1725868356 is a wasteful number, since it uses less digits than its factorization.

1725868356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13484 (or 13482 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 1725868356 is about 41543.5717771113. The cubic root of 1725868356 is about 1199.5063608504.

The spelling of 1725868356 in words is "one billion, seven hundred twenty-five million, eight hundred sixty-eight thousand, three hundred fifty-six".