25745702706 has 48 divisors (see below), whose sum is σ = 56093225760. Its totient is φ = 8534211840.

The previous prime is 25745702681. The next prime is 25745702747. The reversal of 25745702706 is 60720754752.

25745702706 is a `hidden beast` number, since 2 + 5 + 7 + 4 + 570 + 2 + 70 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2402821 + ... + 2413511.

It is an arithmetic number, because the mean of its divisors is an integer number (1168608870).

Almost surely, 2^25745702706 is an apocalyptic number.

25745702706 is an abundant number, since it is smaller than the sum of its proper divisors (30347523054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25745702706 is a wasteful number, since it uses less digits than its factorization.

25745702706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431 (or 11428 counting only the distinct ones).

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

The spelling of 25745702706 in words is "twenty-five billion, seven hundred forty-five million, seven hundred two thousand, seven hundred six".