36657473 has 2 divisors, whose sum is σ = 36657474. Its totient is φ = 36657472.

The previous prime is 36657449. The next prime is 36657487. The reversal of 36657473 is 37475663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35796289 + 861184 = 5983^2 + 928^2 .

It is an emirp because it is prime and its reverse (37475663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36657473 - 2⁸ = 36657217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36657473.

It is not a weakly prime, because it can be changed into another prime (36657433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18328736 + 18328737.

It is an arithmetic number, because the mean of its divisors is an integer number (18328737).

Almost surely, 2^36657473 is an apocalyptic number.

It is an amenable number.

36657473 is a deficient number, since it is larger than the sum of its proper divisors (1).

36657473 is an equidigital number, since it uses as much as digits as its factorization.

36657473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 41.

The square root of 36657473 is about 6054.5415185627. The cubic root of 36657473 is about 332.1907290638.

The spelling of 36657473 in words is "thirty-six million, six hundred fifty-seven thousand, four hundred seventy-three".