26645072 has 10 divisors (see below), whose sum is σ = 51624858. Its totient is φ = 13322528.

The previous prime is 26645071. The next prime is 26645077. The reversal of 26645072 is 27054662.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 13278736 = 3656^2 + 3644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26645071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832643 + ... + 832674.

Almost surely, 2^26645072 is an apocalyptic number.

It is an amenable number.

26645072 is a deficient number, since it is larger than the sum of its proper divisors (24979786).

26645072 is a wasteful number, since it uses less digits than its factorization.

26645072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665325 (or 1665319 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 26645072 is about 5161.8864768610. The cubic root of 26645072 is about 298.6796492904.

It can be divided in two parts, 266450 and 72, that multiplied together give a square (19184400 = 4380²).

The spelling of 26645072 in words is "twenty-six million, six hundred forty-five thousand, seventy-two".