26994545 has 4 divisors (see below), whose sum is σ = 32393460. Its totient is φ = 21595632.

The previous prime is 26994511. The next prime is 26994547. The reversal of 26994545 is 54549962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20784481 + 6210064 = 4559^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 26994545 - 2¹⁶ = 26929009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26994496 and 26994505.

It is not an unprimeable number, because it can be changed into a prime (26994547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2699450 + ... + 2699459.

It is an arithmetic number, because the mean of its divisors is an integer number (8098365).

Almost surely, 2^26994545 is an apocalyptic number.

It is an amenable number.

26994545 is a deficient number, since it is larger than the sum of its proper divisors (5398915).

26994545 is an equidigital number, since it uses as much as digits as its factorization.

26994545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398914.

The product of its digits is 388800, while the sum is 44.

The square root of 26994545 is about 5195.6274885715. The cubic root of 26994545 is about 299.9797949355.

The spelling of 26994545 in words is "twenty-six million, nine hundred ninety-four thousand, five hundred forty-five".