25734864 has 40 divisors (see below), whose sum is σ = 66683232. Its totient is φ = 8552320.

The previous prime is 25734857. The next prime is 25734871. The reversal of 25734864 is 46843752.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25734857) and next prime (25734871).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21547 + ... + 22709.

Almost surely, 2^25734864 is an apocalyptic number.

25734864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25734864 is an abundant number, since it is smaller than the sum of its proper divisors (40948368).

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

25734864 is a wasteful number, since it uses less digits than its factorization.

25734864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635 (or 1629 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 25734864 is about 5072.9541689237. The cubic root of 25734864 is about 295.2391587362.

The spelling of 25734864 in words is "twenty-five million, seven hundred thirty-four thousand, eight hundred sixty-four".