36393720 has 128 divisors (see below), whose sum is σ = 120960000. Its totient is φ = 8686080.

The previous prime is 36393689. The next prime is 36393727. The reversal of 36393720 is 2739363.

36393720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36393727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104106 + ... + 104454.

It is an arithmetic number, because the mean of its divisors is an integer number (945000).

Almost surely, 2^36393720 is an apocalyptic number.

36393720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36393720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60480000).

36393720 is an abundant number, since it is smaller than the sum of its proper divisors (84566280).

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

36393720 is a wasteful number, since it uses less digits than its factorization.

36393720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 33.

The square root of 36393720 is about 6032.7207792173. The cubic root of 36393720 is about 331.3920989960.

The spelling of 36393720 in words is "thirty-six million, three hundred ninety-three thousand, seven hundred twenty".