36734721 has 16 divisors (see below), whose sum is σ = 51179520. Its totient is φ = 23409360.

The previous prime is 36734713. The next prime is 36734723. The reversal of 36734721 is 12743763.

It is not a de Polignac number, because 36734721 - 2³ = 36734713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36734723) 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, 5340 + ... + 10098.

It is an arithmetic number, because the mean of its divisors is an integer number (3198720).

Almost surely, 2^36734721 is an apocalyptic number.

36734721 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36734721 is a deficient number, since it is larger than the sum of its proper divisors (14444799).

36734721 is a wasteful number, since it uses less digits than its factorization.

36734721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876.

The product of its digits is 21168, while the sum is 33.

The square root of 36734721 is about 6060.9175048007. The cubic root of 36734721 is about 332.4239063061.

The spelling of 36734721 in words is "thirty-six million, seven hundred thirty-four thousand, seven hundred twenty-one".