36780745 has 4 divisors (see below), whose sum is σ = 44136900. Its totient is φ = 29424592.

The previous prime is 36780727. The next prime is 36780773. The reversal of 36780745 is 54708763.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12702096 + 24078649 = 3564^2 + 4907^2 .

It is a cyclic number.

It is not a de Polignac number, because 36780745 - 2⁷ = 36780617 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 36780698 and 36780707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3678070 + ... + 3678079.

It is an arithmetic number, because the mean of its divisors is an integer number (11034225).

Almost surely, 2^36780745 is an apocalyptic number.

It is an amenable number.

36780745 is a deficient number, since it is larger than the sum of its proper divisors (7356155).

36780745 is an equidigital number, since it uses as much as digits as its factorization.

36780745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356154.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 36780745 is about 6064.7131012110. The cubic root of 36780745 is about 332.5626768611.

The spelling of 36780745 in words is "thirty-six million, seven hundred eighty thousand, seven hundred forty-five".