1625760 has 72 divisors (see below), whose sum is σ = 5552820. Its totient is φ = 433152.

The previous prime is 1625759. The next prime is 1625791. The reversal of 1625760 is 675261.

It can be written as a sum of positive squares in 2 ways, for example, as 1468944 + 156816 = 1212^2 + 396^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876 + ... + 2004.

2^1625760 is an apocalyptic number.

1625760 is a gapful number since it is divisible by the number (10) 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 1625760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2776410).

1625760 is an abundant number, since it is smaller than the sum of its proper divisors (3927060).

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

1625760 is a wasteful number, since it uses less digits than its factorization.

1625760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1625760 is about 1275.0529400774. The cubic root of 1625760 is about 117.5850598819.

The spelling of 1625760 in words is "one million, six hundred twenty-five thousand, seven hundred sixty".