7650553725 has 18 divisors (see below), whose sum is σ = 13702992186. Its totient is φ = 4080295200.

The previous prime is 7650553717. The next prime is 7650553747. The reversal of 7650553725 is 5273550567.

7650553725 is a `hidden beast` number, since 76 + 5 + 0 + 553 + 7 + 25 = 666.

7650553725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 723986649 + 6926567076 = 26907^2 + 83226^2 .

It is not a de Polignac number, because 7650553725 - 2³ = 7650553717 is a prime.

It is a super-2 number, since 2×7650553725² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17001006 + ... + 17001455.

Almost surely, 2^7650553725 is an apocalyptic number.

7650553725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7650553725 is a deficient number, since it is larger than the sum of its proper divisors (6052438461).

7650553725 is a wasteful number, since it uses less digits than its factorization.

7650553725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34002477 (or 34002469 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 45.

The square root of 7650553725 is about 87467.4438005364. The cubic root of 7650553725 is about 1970.4448757795. Note that the first 3 decimals are identical.

The spelling of 7650553725 in words is "seven billion, six hundred fifty million, five hundred fifty-three thousand, seven hundred twenty-five".