36721841 has 12 divisors (see below), whose sum is σ = 40055040. Its totient is φ = 33649200.

The previous prime is 36721837. The next prime is 36721903. The reversal of 36721841 is 14812763.

It is not a de Polignac number, because 36721841 - 2² = 36721837 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36721798 and 36721807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36724841) 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, 24800 + ... + 26238.

It is an arithmetic number, because the mean of its divisors is an integer number (3337920).

Almost surely, 2^36721841 is an apocalyptic number.

It is an amenable number.

36721841 is a deficient number, since it is larger than the sum of its proper divisors (3333199).

36721841 is a wasteful number, since it uses less digits than its factorization.

36721841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1603 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 36721841 is about 6059.8548662489. The cubic root of 36721841 is about 332.3850500569.

The spelling of 36721841 in words is "thirty-six million, seven hundred twenty-one thousand, eight hundred forty-one".