36721416 has 32 divisors (see below), whose sum is σ = 92030400. Its totient is φ = 12210240.

The previous prime is 36721403. The next prime is 36721417. The reversal of 36721416 is 61412763.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (36721417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9405 + ... + 12723.

It is an arithmetic number, because the mean of its divisors is an integer number (2875950).

Almost surely, 2^36721416 is an apocalyptic number.

It is an amenable number.

36721416 is an abundant number, since it is smaller than the sum of its proper divisors (55308984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36721416 is a wasteful number, since it uses less digits than its factorization.

36721416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3785 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 36721416 is about 6059.8197993010. The cubic root of 36721416 is about 332.3837677665.

The spelling of 36721416 in words is "thirty-six million, seven hundred twenty-one thousand, four hundred sixteen".