26670401 has 8 divisors (see below), whose sum is σ = 27760320. Its totient is φ = 25591888.

The previous prime is 26670383. The next prime is 26670407. The reversal of 26670401 is 10407662.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26670401 is a prime.

It is a super-2 number, since 2×26670401² = 1422620579001602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26670407) 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 7 ways as a sum of consecutive naturals, for example, 2090 + ... + 7596.

It is an arithmetic number, because the mean of its divisors is an integer number (3470040).

Almost surely, 2^26670401 is an apocalyptic number.

It is an amenable number.

26670401 is a deficient number, since it is larger than the sum of its proper divisors (1089919).

26670401 is a wasteful number, since it uses less digits than its factorization.

26670401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 26670401 is about 5164.3393575558. The cubic root of 26670401 is about 298.7742616688.

The spelling of 26670401 in words is "twenty-six million, six hundred seventy thousand, four hundred one".