26430730 has 8 divisors (see below), whose sum is σ = 47575332. Its totient is φ = 10572288.

The previous prime is 26430713. The next prime is 26430731. The reversal of 26430730 is 3703462.

It can be written as a sum of positive squares in 2 ways, for example, as 26081449 + 349281 = 5107^2 + 591^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 26430695 and 26430704.

It is not an unprimeable number, because it can be changed into a prime (26430731) 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 3 ways as a sum of consecutive naturals, for example, 1321527 + ... + 1321546.

Almost surely, 2^26430730 is an apocalyptic number.

26430730 is a deficient number, since it is larger than the sum of its proper divisors (21144602).

26430730 is a wasteful number, since it uses less digits than its factorization.

26430730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643080.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 26430730 is about 5141.0825708211. The cubic root of 26430730 is about 297.8765986072.

The spelling of 26430730 in words is "twenty-six million, four hundred thirty thousand, seven hundred thirty".