26307630 has 96 divisors (see below), whose sum is σ = 72783360. Its totient is φ = 6578880.

The previous prime is 26307613. The next prime is 26307641. The reversal of 26307630 is 3670362.

26307630 is a `hidden beast` number, since 26 + 3 + 0 + 7 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26307594 and 26307603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146881 + ... + 147059.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^26307630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26307630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36391680).

26307630 is an abundant number, since it is smaller than the sum of its proper divisors (46475730).

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

26307630 is a wasteful number, since it uses less digits than its factorization.

26307630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 26307630 is about 5129.0964116499. The cubic root of 26307630 is about 297.4134296048.

Adding to 26307630 its reverse (3670362), we get a palindrome (29977992).

The spelling of 26307630 in words is "twenty-six million, three hundred seven thousand, six hundred thirty".