36729777 has 16 divisors (see below), whose sum is σ = 56376320. Its totient is φ = 20835792.

The previous prime is 36729773. The next prime is 36729779. The reversal of 36729777 is 77792763.

It is a happy number.

It is not a de Polignac number, because 36729777 - 2² = 36729773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36729773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3373 + ... + 9210.

It is an arithmetic number, because the mean of its divisors is an integer number (3523520).

Almost surely, 2^36729777 is an apocalyptic number.

It is an amenable number.

36729777 is a deficient number, since it is larger than the sum of its proper divisors (19646543).

36729777 is a wasteful number, since it uses less digits than its factorization.

36729777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12732.

The product of its digits is 777924, while the sum is 48.

The square root of 36729777 is about 6060.5096320359. The cubic root of 36729777 is about 332.4089923729.

The spelling of 36729777 in words is "thirty-six million, seven hundred twenty-nine thousand, seven hundred seventy-seven".