25742034 has 24 divisors (see below), whose sum is σ = 56135820. Its totient is φ = 8525088.

The previous prime is 25742033. The next prime is 25742039. The reversal of 25742034 is 43024752.

It can be written as a sum of positive squares in 2 ways, for example, as 23068809 + 2673225 = 4803^2 + 1635^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25741989 and 25742007.

It is not an unprimeable number, because it can be changed into a prime (25742033) 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 11 ways as a sum of consecutive naturals, for example, 1729 + ... + 7380.

Almost surely, 2^25742034 is an apocalyptic number.

25742034 is an abundant number, since it is smaller than the sum of its proper divisors (30393786).

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

25742034 is a wasteful number, since it uses less digits than its factorization.

25742034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274 (or 9271 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 25742034 is about 5073.6608085287. The cubic root of 25742034 is about 295.2665750874.

Adding to 25742034 its reverse (43024752), we get a palindrome (68766786).

The spelling of 25742034 in words is "twenty-five million, seven hundred forty-two thousand, thirty-four".