25734492 has 36 divisors (see below), whose sum is σ = 74344816. Its totient is φ = 7352640.

The previous prime is 25734473. The next prime is 25734503. The reversal of 25734492 is 29443752.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50809 + ... + 51312.

Almost surely, 2^25734492 is an apocalyptic number.

It is an amenable number.

25734492 is an abundant number, since it is smaller than the sum of its proper divisors (48610324).

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

25734492 is a wasteful number, since it uses less digits than its factorization.

25734492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102138 (or 102133 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 25734492 is about 5072.9175037645. The cubic root of 25734492 is about 295.2377361590.

The spelling of 25734492 in words is "twenty-five million, seven hundred thirty-four thousand, four hundred ninety-two".