2725329945 has 64 divisors (see below), whose sum is σ = 4781145600. Its totient is φ = 1317593088.

The previous prime is 2725329941. The next prime is 2725329977. The reversal of 2725329945 is 5499235272.

It is not a de Polignac number, because 2725329945 - 2² = 2725329941 is a prime.

It is a super-2 number, since 2×2725329945² = 14854846618227406050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2725329894 and 2725329903.

It is not an unprimeable number, because it can be changed into a prime (2725329941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2817852 + ... + 2818818.

It is an arithmetic number, because the mean of its divisors is an integer number (74705400).

Almost surely, 2^2725329945 is an apocalyptic number.

It is an amenable number.

2725329945 is a deficient number, since it is larger than the sum of its proper divisors (2055815655).

2725329945 is a wasteful number, since it uses less digits than its factorization.

2725329945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its digits is 1360800, while the sum is 48.

The square root of 2725329945 is about 52204.6927488325. The cubic root of 2725329945 is about 1396.8175919733.

The spelling of 2725329945 in words is "two billion, seven hundred twenty-five million, three hundred twenty-nine thousand, nine hundred forty-five".