26769145 has 8 divisors (see below), whose sum is σ = 34594056. Its totient is φ = 19767936.

The previous prime is 26769139. The next prime is 26769181. The reversal of 26769145 is 54196762.

It can be written as a sum of positive squares in 4 ways, for example, as 9216 + 26759929 = 96^2 + 5173^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26769145 - 2²¹ = 24671993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26769098 and 26769107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205852 + ... + 205981.

It is an arithmetic number, because the mean of its divisors is an integer number (4324257).

Almost surely, 2^26769145 is an apocalyptic number.

It is an amenable number.

26769145 is a deficient number, since it is larger than the sum of its proper divisors (7824911).

26769145 is a wasteful number, since it uses less digits than its factorization.

26769145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411851.

The product of its digits is 90720, while the sum is 40.

The square root of 26769145 is about 5173.8907023632. The cubic root of 26769145 is about 299.1425329842.

The spelling of 26769145 in words is "twenty-six million, seven hundred sixty-nine thousand, one hundred forty-five".