36721071 has 12 divisors (see below), whose sum is σ = 56161872. Its totient is φ = 23040576.

The previous prime is 36721067. The next prime is 36721073. The reversal of 36721071 is 17012763.

It is not a de Polignac number, because 36721071 - 2² = 36721067 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36721073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119851 + ... + 120156.

It is an arithmetic number, because the mean of its divisors is an integer number (4680156).

Almost surely, 2^36721071 is an apocalyptic number.

36721071 is a deficient number, since it is larger than the sum of its proper divisors (19440801).

36721071 is a wasteful number, since it uses less digits than its factorization.

36721071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240030 (or 240027 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 36721071 is about 6059.7913330411. The cubic root of 36721071 is about 332.3827268412.

The spelling of 36721071 in words is "thirty-six million, seven hundred twenty-one thousand, seventy-one".