7525275066 has 48 divisors (see below), whose sum is σ = 16672957704. Its totient is φ = 2452125312.

The previous prime is 7525275061. The next prime is 7525275073. The reversal of 7525275066 is 6605725257.

7525275066 is a `hidden beast` number, since 75 + 2 + 527 + 50 + 6 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5886725625 + 1638549441 = 76725^2 + 40479^2 .

It is a super-2 number, since 2×7525275066² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7525275061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250020 + ... + 278496.

Almost surely, 2^7525275066 is an apocalyptic number.

7525275066 is an abundant number, since it is smaller than the sum of its proper divisors (9147682638).

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

7525275066 is a wasteful number, since it uses less digits than its factorization.

7525275066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28815 (or 28812 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The square root of 7525275066 is about 86748.3433040655. The cubic root of 7525275066 is about 1959.6302115437.

The spelling of 7525275066 in words is "seven billion, five hundred twenty-five million, two hundred seventy-five thousand, sixty-six".