25475740 has 12 divisors (see below), whose sum is σ = 53499096. Its totient is φ = 10190288.

The previous prime is 25475731. The next prime is 25475753. The reversal of 25475740 is 4757452.

It is a junction number, because it is equal to n+sod(n) for n = 25475696 and 25475705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636874 + ... + 636913.

It is an arithmetic number, because the mean of its divisors is an integer number (4458258).

Almost surely, 2^25475740 is an apocalyptic number.

25475740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25475740 is an abundant number, since it is smaller than the sum of its proper divisors (28023356).

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

25475740 is a wasteful number, since it uses less digits than its factorization.

25475740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273796 (or 1273794 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 25475740 is about 5047.3497996473. The cubic root of 25475740 is about 294.2448944455.

The spelling of 25475740 in words is "twenty-five million, four hundred seventy-five thousand, seven hundred forty".