25742904 has 32 divisors (see below), whose sum is σ = 70208640. Its totient is φ = 7800800.

The previous prime is 25742903. The next prime is 25742909. The reversal of 25742904 is 40924752.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25742903) by changing a digit.

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, 48492 + ... + 49019.

It is an arithmetic number, because the mean of its divisors is an integer number (2194020).

Almost surely, 2^25742904 is an apocalyptic number.

25742904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25742904 is an abundant number, since it is smaller than the sum of its proper divisors (44465736).

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

25742904 is a wasteful number, since it uses less digits than its factorization.

25742904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97531 (or 97527 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 25742904 is about 5073.7465447143. The cubic root of 25742904 is about 295.2699014113.

The spelling of 25742904 in words is "twenty-five million, seven hundred forty-two thousand, nine hundred four".