25756470 has 48 divisors (see below), whose sum is σ = 68402880. Its totient is φ = 6721152.

The previous prime is 25756459. The next prime is 25756501. The reversal of 25756470 is 7465752.

25756470 is a `hidden beast` number, since 2 + 5 + 7 + 5 + 647 + 0 = 666.

It is a congruent number.

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, 1186 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (1425060).

Almost surely, 2^25756470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25756470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34201440).

25756470 is an abundant number, since it is smaller than the sum of its proper divisors (42646410).

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

25756470 is a wasteful number, since it uses less digits than its factorization.

25756470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149 (or 6146 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 25756470 is about 5075.0832505487. The cubic root of 25756470 is about 295.3217594308.

It can be divided in two parts, 2575 and 6470, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 25756470 in words is "twenty-five million, seven hundred fifty-six thousand, four hundred seventy".