36645726 has 32 divisors (see below), whose sum is σ = 80277120. Its totient is φ = 11083104.

The previous prime is 36645701. The next prime is 36645767. The reversal of 36645726 is 62754663.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (2508660).

Almost surely, 2^36645726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36645726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40138560).

36645726 is an abundant number, since it is smaller than the sum of its proper divisors (43631394).

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

36645726 is a wasteful number, since it uses less digits than its factorization.

36645726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040.

The product of its digits is 181440, while the sum is 39.

The square root of 36645726 is about 6053.5713426043. The cubic root of 36645726 is about 332.1552414258.

The spelling of 36645726 in words is "thirty-six million, six hundred forty-five thousand, seven hundred twenty-six".