1772752725 has 36 divisors (see below), whose sum is σ = 3342320800. Its totient is φ = 895704480.

The previous prime is 1772752717. The next prime is 1772752753. The reversal of 1772752725 is 5272572771.

It is not a de Polignac number, because 1772752725 - 2³ = 1772752717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 203065 + ... + 211614.

Almost surely, 2^1772752725 is an apocalyptic number.

1772752725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1772752725 is a deficient number, since it is larger than the sum of its proper divisors (1569568075).

1772752725 is a wasteful number, since it uses less digits than its factorization.

1772752725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414714 (or 414706 counting only the distinct ones).

The product of its digits is 480200, while the sum is 45.

The square root of 1772752725 is about 42104.0701714217. The cubic root of 1772752725 is about 1210.2712605870.

The spelling of 1772752725 in words is "one billion, seven hundred seventy-two million, seven hundred fifty-two thousand, seven hundred twenty-five".