36975640 has 64 divisors (see below), whose sum is σ = 90286560. Its totient is φ = 13547520.

The previous prime is 36975623. The next prime is 36975649. The reversal of 36975640 is 4657963.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 36975593 and 36975602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36975649) 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, 109552 + ... + 109888.

Almost surely, 2^36975640 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 36975640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45143280).

36975640 is an abundant number, since it is smaller than the sum of its proper divisors (53310920).

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

36975640 is a wasteful number, since it uses less digits than its factorization.

36975640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 36975640 is about 6080.7598209434. The cubic root of 36975640 is about 333.1490403493.

The spelling of 36975640 in words is "thirty-six million, nine hundred seventy-five thousand, six hundred forty".