6723180025 has 45 divisors (see below), whose sum is σ = 9005905263. Its totient is φ = 4978736400.

The previous prime is 6723180011. The next prime is 6723180047. The reversal of 6723180025 is 5200813276.

It is a happy number.

The square root of 6723180025 is 81995.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2420344809 + 4302835216 = 49197^2 + 65596^2 .

It is not a de Polignac number, because 6723180025 - 2¹⁵ = 6723147257 is a prime.

It is a super-2 number, since 2×6723180025² = 90402299297118001250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 216876760 + ... + 216876790.

Almost surely, 2^6723180025 is an apocalyptic number.

6723180025 is the 81995-th square number.

6723180025 is the 40998-th centered octagonal number.

It is an amenable number.

6723180025 is a deficient number, since it is larger than the sum of its proper divisors (2282725238).

6723180025 is an frugal number, since it uses more digits than its factorization.

6723180025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The cubic root of 6723180025 is about 1887.3752115503.

The spelling of 6723180025 in words is "six billion, seven hundred twenty-three million, one hundred eighty thousand, twenty-five".