2576740725 has 72 divisors (see below), whose sum is σ = 4980847872. Its totient is φ = 1265846400.

The previous prime is 2576740721. The next prime is 2576740759. The reversal of 2576740725 is 5270476752.

2576740725 is a `hidden beast` number, since 2 + 576 + 7 + 4 + 0 + 72 + 5 = 666.

It is not a de Polignac number, because 2576740725 - 2² = 2576740721 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2576740721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2664192 + ... + 2665158.

Almost surely, 2^2576740725 is an apocalyptic number.

2576740725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2576740725 is a deficient number, since it is larger than the sum of its proper divisors (2404107147).

2576740725 is a wasteful number, since it uses less digits than its factorization.

2576740725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The square root of 2576740725 is about 50761.6068008096. The cubic root of 2576740725 is about 1370.9561806576.

The spelling of 2576740725 in words is "two billion, five hundred seventy-six million, seven hundred forty thousand, seven hundred twenty-five".