6716622025 has 27 divisors (see below), whose sum is σ = 8579158581. Its totient is φ = 5216271840.

The previous prime is 6716622023. The next prime is 6716622043. The reversal of 6716622025 is 5202266176.

The square root of 6716622025 is 81955.

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

6716622025 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 4 ways, for example, as 637613001 + 6079009024 = 25251^2 + 77968^2 .

It is not a de Polignac number, because 6716622025 - 2¹ = 6716622023 is a prime.

It is a super-2 number, since 2×6716622025² = 90226022853430201250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6716622023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15161454 + ... + 15161896.

Almost surely, 2^6716622025 is an apocalyptic number.

6716622025 is the 81955-th square number.

6716622025 is the 40978-th centered octagonal number.

It is an amenable number.

6716622025 is a deficient number, since it is larger than the sum of its proper divisors (1862536556).

6716622025 is an frugal number, since it uses more digits than its factorization.

6716622025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The cubic root of 6716622025 is about 1886.7613436480.

The spelling of 6716622025 in words is "six billion, seven hundred sixteen million, six hundred twenty-two thousand, twenty-five".