26723478 has 8 divisors (see below), whose sum is σ = 53446968. Its totient is φ = 8907824.

The previous prime is 26723449. The next prime is 26723479. The reversal of 26723478 is 87432762.

It is a sphenic number, since it is the product of 3 distinct primes.

26723478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26723479) 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 3 ways as a sum of consecutive naturals, for example, 2226951 + ... + 2226962.

It is an arithmetic number, because the mean of its divisors is an integer number (6680871).

Almost surely, 2^26723478 is an apocalyptic number.

26723478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26723478 is a wasteful number, since it uses less digits than its factorization.

26723478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453918.

The product of its digits is 112896, while the sum is 39.

The square root of 26723478 is about 5169.4756020316. The cubic root of 26723478 is about 298.9723280991.

It can be divided in two parts, 267 and 23478, that multiplied together give a palindrome (6268626).

The spelling of 26723478 in words is "twenty-six million, seven hundred twenty-three thousand, four hundred seventy-eight".