36708421 has 2 divisors, whose sum is σ = 36708422. Its totient is φ = 36708420.

The previous prime is 36708409. The next prime is 36708431. The reversal of 36708421 is 12480763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 540225 = 6014^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 36708421 - 2²³ = 28319813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36708401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18354210 + 18354211.

It is an arithmetic number, because the mean of its divisors is an integer number (18354211).

Almost surely, 2^36708421 is an apocalyptic number.

It is an amenable number.

36708421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36708421 is an equidigital number, since it uses as much as digits as its factorization.

36708421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 36708421 is about 6058.7474778208. The cubic root of 36708421 is about 332.3445550750.

The spelling of 36708421 in words is "thirty-six million, seven hundred eight thousand, four hundred twenty-one".