26406073 has 2 divisors, whose sum is σ = 26406074. Its totient is φ = 26406072.

The previous prime is 26406059. The next prime is 26406089. The reversal of 26406073 is 37060462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 273529 = 5112^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 26406073 - 2⁵ = 26406041 is a prime.

It is a super-3 number, since 3×26406073³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (26406043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13203036 + 13203037.

It is an arithmetic number, because the mean of its divisors is an integer number (13203037).

Almost surely, 2^26406073 is an apocalyptic number.

It is an amenable number.

26406073 is a deficient number, since it is larger than the sum of its proper divisors (1).

26406073 is an equidigital number, since it uses as much as digits as its factorization.

26406073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 26406073 is about 5138.6839754941. The cubic root of 26406073 is about 297.7839409517.

The spelling of 26406073 in words is "twenty-six million, four hundred six thousand, seventy-three".