36720320 has 168 divisors, whose sum is σ = 109325664. Its totient is φ = 11501568.

The previous prime is 36720319. The next prime is 36720347. The reversal of 36720320 is 2302763.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378512 + ... + 378608.

It is an arithmetic number, because the mean of its divisors is an integer number (650748).

Almost surely, 2^36720320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36720320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54662832).

36720320 is an abundant number, since it is smaller than the sum of its proper divisors (72605344).

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

36720320 is a wasteful number, since it uses less digits than its factorization.

36720320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 36720320 is about 6059.7293668942. The cubic root of 36720320 is about 332.3804609202.

The spelling of 36720320 in words is "thirty-six million, seven hundred twenty thousand, three hundred twenty".