36703993 has 2 divisors, whose sum is σ = 36703994. Its totient is φ = 36703992.

The previous prime is 36703987. The next prime is 36704027. The reversal of 36703993 is 39930763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20358144 + 16345849 = 4512^2 + 4043^2 .

It is an emirp because it is prime and its reverse (39930763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36703993 - 2¹³ = 36695801 is a prime.

It is not a weakly prime, because it can be changed into another prime (36703903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18351996 + 18351997.

It is an arithmetic number, because the mean of its divisors is an integer number (18351997).

Almost surely, 2^36703993 is an apocalyptic number.

It is an amenable number.

36703993 is a deficient number, since it is larger than the sum of its proper divisors (1).

36703993 is an equidigital number, since it uses as much as digits as its factorization.

36703993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 36703993 is about 6058.3820447377. The cubic root of 36703993 is about 332.3311913760.

The spelling of 36703993 in words is "thirty-six million, seven hundred three thousand, nine hundred ninety-three".