26974421 has 2 divisors, whose sum is σ = 26974422. Its totient is φ = 26974420.

The previous prime is 26974417. The next prime is 26974447. The reversal of 26974421 is 12447962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19624900 + 7349521 = 4430^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 26974421 - 2² = 26974417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26974021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13487210 + 13487211.

It is an arithmetic number, because the mean of its divisors is an integer number (13487211).

Almost surely, 2^26974421 is an apocalyptic number.

It is an amenable number.

26974421 is a deficient number, since it is larger than the sum of its proper divisors (1).

26974421 is an equidigital number, since it uses as much as digits as its factorization.

26974421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 26974421 is about 5193.6904990575. The cubic root of 26974421 is about 299.9052330302.

The spelling of 26974421 in words is "twenty-six million, nine hundred seventy-four thousand, four hundred twenty-one".