2772147625 has 32 divisors (see below), whose sum is σ = 3776965920. Its totient is φ = 2018995200.

The previous prime is 2772147601. The next prime is 2772147629. The reversal of 2772147625 is 5267412772.

It can be written as a sum of positive squares in 16 ways, for example, as 2672786601 + 99361024 = 51699^2 + 9968^2 .

It is not a de Polignac number, because 2772147625 - 2⁹ = 2772147113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2772147629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106941 + ... + 130309.

It is an arithmetic number, because the mean of its divisors is an integer number (118030185).

Almost surely, 2^2772147625 is an apocalyptic number.

2772147625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2772147625 is a deficient number, since it is larger than the sum of its proper divisors (1004818295).

2772147625 is a wasteful number, since it uses less digits than its factorization.

2772147625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23470 (or 23460 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 2772147625 is about 52651.1882581960. The cubic root of 2772147625 is about 1404.7707355044.

It can be divided in two parts, 2772147 and 625, that added together give a palindrome (2772772).

The spelling of 2772147625 in words is "two billion, seven hundred seventy-two million, one hundred forty-seven thousand, six hundred twenty-five".