36661743 has 24 divisors (see below), whose sum is σ = 54419040. Its totient is φ = 23774400.

The previous prime is 36661727. The next prime is 36661753. The reversal of 36661743 is 34716663.

It is a happy number.

It is not a de Polignac number, because 36661743 - 2⁴ = 36661727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36661698 and 36661707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36661753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71773 + ... + 72281.

It is an arithmetic number, because the mean of its divisors is an integer number (2267460).

Almost surely, 2^36661743 is an apocalyptic number.

36661743 is a deficient number, since it is larger than the sum of its proper divisors (17757297).

36661743 is a wasteful number, since it uses less digits than its factorization.

36661743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 36661743 is about 6054.8941361513. The cubic root of 36661743 is about 332.2036268372.

The spelling of 36661743 in words is "thirty-six million, six hundred sixty-one thousand, seven hundred forty-three".