2677631725 has 12 divisors (see below), whose sum is σ = 3410001364. Its totient is φ = 2084209920.

The previous prime is 2677631717. The next prime is 2677631729. The reversal of 2677631725 is 5271367762.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 39576681 + 2638055044 = 6291^2 + 51362^2 .

It is not a de Polignac number, because 2677631725 - 2³ = 2677631717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2677631729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446444 + ... + 1448293.

Almost surely, 2^2677631725 is an apocalyptic number.

2677631725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2677631725 is a deficient number, since it is larger than the sum of its proper divisors (732369639).

2677631725 is a wasteful number, since it uses less digits than its factorization.

2677631725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894784 (or 2894779 counting only the distinct ones).

The product of its digits is 740880, while the sum is 46.

The square root of 2677631725 is about 51745.8377553210. The cubic root of 2677631725 is about 1388.6206361984.

The spelling of 2677631725 in words is "two billion, six hundred seventy-seven million, six hundred thirty-one thousand, seven hundred twenty-five".