26783130 has 64 divisors (see below), whose sum is σ = 70616448. Its totient is φ = 6447360.

The previous prime is 26783083. The next prime is 26783137. The reversal of 26783130 is 3138762.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (26783137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91264 + ... + 91556.

It is an arithmetic number, because the mean of its divisors is an integer number (1103382).

Almost surely, 2^26783130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26783130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35308224).

26783130 is an abundant number, since it is smaller than the sum of its proper divisors (43833318).

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

26783130 is a wasteful number, since it uses less digits than its factorization.

26783130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 26783130 is about 5175.2420233261. The cubic root of 26783130 is about 299.1946175764.

The spelling of 26783130 in words is "twenty-six million, seven hundred eighty-three thousand, one hundred thirty".