26490730 has 16 divisors (see below), whose sum is σ = 54495360. Its totient is φ = 9082512.

The previous prime is 26490721. The next prime is 26490757. The reversal of 26490730 is 3709462.

It is a junction number, because it is equal to n+sod(n) for n = 26490692 and 26490701.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 189150 + ... + 189289.

It is an arithmetic number, because the mean of its divisors is an integer number (3405960).

Almost surely, 2^26490730 is an apocalyptic number.

26490730 is an abundant number, since it is smaller than the sum of its proper divisors (28004630).

26490730 is a wasteful number, since it uses less digits than its factorization.

26490730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378453.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 26490730 is about 5146.9146097444. The cubic root of 26490730 is about 298.1018299804.

The spelling of 26490730 in words is "twenty-six million, four hundred ninety thousand, seven hundred thirty".