2734640025 has 24 divisors (see below), whose sum is σ = 4869063360. Its totient is φ = 1346283840.

The previous prime is 2734640023. The next prime is 2734640033. The reversal of 2734640025 is 5200464372.

It is not a de Polignac number, because 2734640025 - 2¹ = 2734640023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2734640023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1401405 + ... + 1403354.

It is an arithmetic number, because the mean of its divisors is an integer number (202877640).

Almost surely, 2^2734640025 is an apocalyptic number.

2734640025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2734640025 is a deficient number, since it is larger than the sum of its proper divisors (2134423335).

2734640025 is a wasteful number, since it uses less digits than its factorization.

2734640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804785 (or 2804780 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 2734640025 is about 52293.7857206762. The cubic root of 2734640025 is about 1398.4063541288.

The spelling of 2734640025 in words is "two billion, seven hundred thirty-four million, six hundred forty thousand, twenty-five".