26782930 has 16 divisors (see below), whose sum is σ = 48392064. Its totient is φ = 10672560.

The previous prime is 26782919. The next prime is 26782933. The reversal of 26782930 is 3928762.

It is a self number, because there is not a number n which added to its sum of digits gives 26782930.

It is not an unprimeable number, because it can be changed into a prime (26782933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (3024504).

Almost surely, 2^26782930 is an apocalyptic number.

26782930 is a deficient number, since it is larger than the sum of its proper divisors (21609134).

26782930 is a wasteful number, since it uses less digits than its factorization.

26782930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 26782930 is about 5175.2227005222. Note that the first 3 decimals coincide. The cubic root of 26782930 is about 299.1938728406.

The spelling of 26782930 in words is "twenty-six million, seven hundred eighty-two thousand, nine hundred thirty".