25942730 has 32 divisors (see below), whose sum is σ = 51262848. Its totient is φ = 9374400.

The previous prime is 25942727. The next prime is 25942739. The reversal of 25942730 is 3724952.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25942739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19259 + ... + 20561.

It is an arithmetic number, because the mean of its divisors is an integer number (1601964).

Almost surely, 2^25942730 is an apocalyptic number.

25942730 is a deficient number, since it is larger than the sum of its proper divisors (25320118).

25942730 is a wasteful number, since it uses less digits than its factorization.

25942730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 25942730 is about 5093.4006321906. The cubic root of 25942730 is about 296.0319313617.

The spelling of 25942730 in words is "twenty-five million, nine hundred forty-two thousand, seven hundred thirty".