36573240 has 128 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 8747520.

The previous prime is 36573209. The next prime is 36573293. The reversal of 36573240 is 4237563.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 36573198 and 36573207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135826 + ... + 136094.

It is an arithmetic number, because the mean of its divisors is an integer number (947700).

Almost surely, 2^36573240 is an apocalyptic number.

36573240 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 36573240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60652800).

36573240 is an abundant number, since it is smaller than the sum of its proper divisors (84732360).

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

36573240 is a wasteful number, since it uses less digits than its factorization.

36573240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 36573240 is about 6047.5813347156. The cubic root of 36573240 is about 331.9360935687.

The spelling of 36573240 in words is "thirty-six million, five hundred seventy-three thousand, two hundred forty".