26672057 has 4 divisors (see below), whose sum is σ = 26692176. Its totient is φ = 26651940.

The previous prime is 26672047. The next prime is 26672069. The reversal of 26672057 is 75027662.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26672057 - 2¹² = 26667961 is a prime.

It is a super-2 number, since 2×26672057² = 1422797249222498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26672047) 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 3 ways as a sum of consecutive naturals, for example, 7919 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (6673044).

Almost surely, 2^26672057 is an apocalyptic number.

It is an amenable number.

26672057 is a deficient number, since it is larger than the sum of its proper divisors (20119).

26672057 is a wasteful number, since it uses less digits than its factorization.

26672057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20118.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 26672057 is about 5164.4996853519. The cubic root of 26672057 is about 298.7804453021.

The spelling of 26672057 in words is "twenty-six million, six hundred seventy-two thousand, fifty-seven".