25470690 has 48 divisors (see below), whose sum is σ = 71114112. Its totient is φ = 5821536.

The previous prime is 25470677. The next prime is 25470701. The reversal of 25470690 is 9607452.

It is a super-2 number, since 2×25470690² = 1297512098152200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7194 + ... + 10133.

It is an arithmetic number, because the mean of its divisors is an integer number (1481544).

Almost surely, 2^25470690 is an apocalyptic number.

25470690 is an abundant number, since it is smaller than the sum of its proper divisors (45643422).

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

25470690 is a wasteful number, since it uses less digits than its factorization.

25470690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17351 (or 17344 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 25470690 is about 5046.8495123195. The cubic root of 25470690 is about 294.2254506542.

The spelling of 25470690 in words is "twenty-five million, four hundred seventy thousand, six hundred ninety".