7077015625 has 21 divisors (see below), whose sum is σ = 8859320193. Its totient is φ = 5653200000.

The previous prime is 7077015623. The next prime is 7077015643. The reversal of 7077015625 is 5265107707.

The square root of 7077015625 is 84125.

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

It can be written as a sum of positive squares in 10 ways, for example, as 4807064889 + 2269950736 = 69333^2 + 47644^2 .

It is not a de Polignac number, because 7077015625 - 2¹ = 7077015623 is a prime.

It is a super-3 number, since 3×7077015625³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7077015623) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 10515289 + ... + 10515961.

Almost surely, 2^7077015625 is an apocalyptic number.

7077015625 is the 84125-th square number.

7077015625 is the 42063-rd centered octagonal number.

It is an amenable number.

7077015625 is a deficient number, since it is larger than the sum of its proper divisors (1782304568).

7077015625 is an frugal number, since it uses more digits than its factorization.

7077015625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 40.

The cubic root of 7077015625 is about 1919.9211144709.

The spelling of 7077015625 in words is "seven billion, seventy-seven million, fifteen thousand, six hundred twenty-five".