25711470 has 48 divisors (see below), whose sum is σ = 69761952. Its totient is φ = 6557760.

The previous prime is 25711459. The next prime is 25711471. The reversal of 25711470 is 7411752.

It is a super-2 number, since 2×25711470² = 1322159379121800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25711471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4141 + ... + 8280.

It is an arithmetic number, because the mean of its divisors is an integer number (1453374).

Almost surely, 2^25711470 is an apocalyptic number.

25711470 is an abundant number, since it is smaller than the sum of its proper divisors (44050482).

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

25711470 is a wasteful number, since it uses less digits than its factorization.

25711470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457 (or 12454 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 25711470 is about 5070.6478875978. The cubic root of 25711470 is about 295.1496702924.

The spelling of 25711470 in words is "twenty-five million, seven hundred eleven thousand, four hundred seventy".