36720451 has 2 divisors, whose sum is σ = 36720452. Its totient is φ = 36720450.

The previous prime is 36720449. The next prime is 36720473. The reversal of 36720451 is 15402763.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36720451 - 2¹ = 36720449 is a prime.

Together with 36720449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36720401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18360225 + 18360226.

It is an arithmetic number, because the mean of its divisors is an integer number (18360226).

Almost surely, 2^36720451 is an apocalyptic number.

36720451 is a deficient number, since it is larger than the sum of its proper divisors (1).

36720451 is an equidigital number, since it uses as much as digits as its factorization.

36720451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 36720451 is about 6059.7401759481. The cubic root of 36720451 is about 332.3808561763.

The spelling of 36720451 in words is "thirty-six million, seven hundred twenty thousand, four hundred fifty-one".