25742342 has 8 divisors (see below), whose sum is σ = 39555432. Its totient is φ = 12557200.

The previous prime is 25742341. The next prime is 25742371. The reversal of 25742342 is 24324752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25742341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156884 + ... + 157047.

It is an arithmetic number, because the mean of its divisors is an integer number (4944429).

Almost surely, 2^25742342 is an apocalyptic number.

25742342 is a deficient number, since it is larger than the sum of its proper divisors (13813090).

25742342 is a wasteful number, since it uses less digits than its factorization.

25742342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313974.

The product of its digits is 13440, while the sum is 29.

The square root of 25742342 is about 5073.6911612750. The cubic root of 25742342 is about 295.2677526911.

The spelling of 25742342 in words is "twenty-five million, seven hundred forty-two thousand, three hundred forty-two".