26672431 has 8 divisors (see below), whose sum is σ = 28483200. Its totient is φ = 24921120.

The previous prime is 26672423. The next prime is 26672441. The reversal of 26672431 is 13427662.

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 26672431 - 2³ = 26672423 is a prime.

It is a super-2 number, since 2×26672431² = 1422837150899522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26672393 and 26672402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26672441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13936 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (3560400).

Almost surely, 2^26672431 is an apocalyptic number.

26672431 is a deficient number, since it is larger than the sum of its proper divisors (1810769).

26672431 is a wasteful number, since it uses less digits than its factorization.

26672431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29729.

The product of its digits is 12096, while the sum is 31.

The square root of 26672431 is about 5164.5358939599. The cubic root of 26672431 is about 298.7818418119.

The spelling of 26672431 in words is "twenty-six million, six hundred seventy-two thousand, four hundred thirty-one".