26520730 has 16 divisors (see below), whose sum is σ = 47980800. Its totient is φ = 10554192.

The previous prime is 26520707. The next prime is 26520757. The reversal of 26520730 is 3702562.

It is a junction number, because it is equal to n+sod(n) for n = 26520695 and 26520704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4674 + ... + 8653.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 2^26520730 is an apocalyptic number.

26520730 is a deficient number, since it is larger than the sum of its proper divisors (21460070).

26520730 is a wasteful number, since it uses less digits than its factorization.

26520730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 26520730 is about 5149.8281524727. The cubic root of 26520730 is about 298.2143181490.

The spelling of 26520730 in words is "twenty-six million, five hundred twenty thousand, seven hundred thirty".