36547640 has 48 divisors (see below), whose sum is σ = 86822280. Its totient is φ = 13844160.

The previous prime is 36547613. The next prime is 36547649. The reversal of 36547640 is 4674563.

It is a super-3 number, since 3×36547640³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36547640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36547649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13175 + ... + 15705.

Almost surely, 2^36547640 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 36547640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43411140).

36547640 is an abundant number, since it is smaller than the sum of its proper divisors (50274640).

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

36547640 is a wasteful number, since it uses less digits than its factorization.

36547640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 36547640 is about 6045.4644155764. The cubic root of 36547640 is about 331.8586275724.

The spelling of 36547640 in words is "thirty-six million, five hundred forty-seven thousand, six hundred forty".