36675421 has 2 divisors, whose sum is σ = 36675422. Its totient is φ = 36675420.

The previous prime is 36675413. The next prime is 36675437. The reversal of 36675421 is 12457663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30096196 + 6579225 = 5486^2 + 2565^2 .

It is an emirp because it is prime and its reverse (12457663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36675421 - 2³ = 36675413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36675461) 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 as a sum of consecutive naturals, namely, 18337710 + 18337711.

It is an arithmetic number, because the mean of its divisors is an integer number (18337711).

Almost surely, 2^36675421 is an apocalyptic number.

It is an amenable number.

36675421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36675421 is an equidigital number, since it uses as much as digits as its factorization.

36675421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 36675421 is about 6056.0235303374. The cubic root of 36675421 is about 332.2449352591.

The spelling of 36675421 in words is "thirty-six million, six hundred seventy-five thousand, four hundred twenty-one".