36573940 has 48 divisors (see below), whose sum is σ = 83317248. Its totient is φ = 13405824.

The previous prime is 36573937. The next prime is 36573941. The reversal of 36573940 is 4937563.

It is a self number, because there is not a number n which added to its sum of digits gives 36573940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36573941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41949 + ... + 42811.

It is an arithmetic number, because the mean of its divisors is an integer number (1735776).

Almost surely, 2^36573940 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 36573940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41658624).

36573940 is an abundant number, since it is smaller than the sum of its proper divisors (46743308).

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

36573940 is a wasteful number, since it uses less digits than its factorization.

36573940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 36573940 is about 6047.6392088153. The cubic root of 36573940 is about 331.9382112718.

It can be divided in two parts, 365 and 73940, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 36573940 in words is "thirty-six million, five hundred seventy-three thousand, nine hundred forty".