36520722 has 24 divisors (see below), whose sum is σ = 90432576. Its totient is φ = 10434456.

The previous prime is 36520669. The next prime is 36520723. The reversal of 36520722 is 22702563.

36520722 is a `hidden beast` number, since 3 + 652 + 0 + 7 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (36520723) 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, 144798 + ... + 145049.

It is an arithmetic number, because the mean of its divisors is an integer number (3768024).

Almost surely, 2^36520722 is an apocalyptic number.

36520722 is an abundant number, since it is smaller than the sum of its proper divisors (53911854).

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

36520722 is a wasteful number, since it uses less digits than its factorization.

36520722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289862 (or 289859 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 36520722 is about 6043.2377083812. The cubic root of 36520722 is about 331.7771342618. Note that the first 3 decimals are identical.

The spelling of 36520722 in words is "thirty-six million, five hundred twenty thousand, seven hundred twenty-two".