36642793 has 6 divisors (see below), whose sum is σ = 40276922. Its totient is φ = 33311520.

The previous prime is 36642791. The next prime is 36642797. The reversal of 36642793 is 39724663.

It can be written as a sum of positive squares in only one way, i.e., 21650409 + 14992384 = 4653^2 + 3872^2 .

It is not a de Polignac number, because 36642793 - 2¹ = 36642791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36642791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151296 + ... + 151537.

Almost surely, 2^36642793 is an apocalyptic number.

It is an amenable number.

36642793 is a deficient number, since it is larger than the sum of its proper divisors (3634129).

36642793 is a wasteful number, since it uses less digits than its factorization.

36642793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302855 (or 302844 counting only the distinct ones).

The product of its digits is 163296, while the sum is 40.

The square root of 36642793 is about 6053.3290840661. The cubic root of 36642793 is about 332.1463796619.

The spelling of 36642793 in words is "thirty-six million, six hundred forty-two thousand, seven hundred ninety-three".