36937421 has 2 divisors, whose sum is σ = 36937422. Its totient is φ = 36937420.

The previous prime is 36937409. The next prime is 36937427. The reversal of 36937421 is 12473963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29041321 + 7896100 = 5389^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 36937421 - 2¹⁴ = 36921037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36937427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18468710 + 18468711.

It is an arithmetic number, because the mean of its divisors is an integer number (18468711).

Almost surely, 2^36937421 is an apocalyptic number.

It is an amenable number.

36937421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36937421 is an equidigital number, since it uses as much as digits as its factorization.

36937421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 36937421 is about 6077.6163913166. The cubic root of 36937421 is about 333.0342168906.

The spelling of 36937421 in words is "thirty-six million, nine hundred thirty-seven thousand, four hundred twenty-one".