26572379 has 4 divisors (see below), whose sum is σ = 26602584. Its totient is φ = 26542176.

The previous prime is 26572369. The next prime is 26572391. The reversal of 26572379 is 97327562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97327562 = 2 ⋅48663781.

It is a cyclic number.

It is not a de Polignac number, because 26572379 - 2⁸ = 26572123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26572319) 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, 13742 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (6650646).

Almost surely, 2^26572379 is an apocalyptic number.

26572379 is a deficient number, since it is larger than the sum of its proper divisors (30205).

26572379 is an equidigital number, since it uses as much as digits as its factorization.

26572379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30204.

The product of its digits is 158760, while the sum is 41.

The square root of 26572379 is about 5154.8403467033. The cubic root of 26572379 is about 298.4077829515.

The spelling of 26572379 in words is "twenty-six million, five hundred seventy-two thousand, three hundred seventy-nine".