36622845 has 72 divisors (see below), whose sum is σ = 78267384. Its totient is φ = 15740928.

The previous prime is 36622829. The next prime is 36622847. The reversal of 36622845 is 54822663.

It can be written as a sum of positive squares in 4 ways, for example, as 16426809 + 20196036 = 4053^2 + 4494^2 .

It is not a de Polignac number, because 36622845 - 2⁴ = 36622829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36622847) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36997 + ... + 37973.

It is an arithmetic number, because the mean of its divisors is an integer number (1087047).

Almost surely, 2^36622845 is an apocalyptic number.

36622845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36622845 is an abundant number, since it is smaller than the sum of its proper divisors (41644539).

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

36622845 is a wasteful number, since it uses less digits than its factorization.

36622845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1009 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 36622845 is about 6051.6811713771. The cubic root of 36622845 is about 332.0860962417.

The spelling of 36622845 in words is "thirty-six million, six hundred twenty-two thousand, eight hundred forty-five".