36021772 has 24 divisors (see below), whose sum is σ = 66318336. Its totient is φ = 17086608.

The previous prime is 36021767. The next prime is 36021773. The reversal of 36021772 is 27712063.

It is a self number, because there is not a number n which added to its sum of digits gives 36021772.

It is not an unprimeable number, because it can be changed into a prime (36021773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10143 + ... + 13225.

It is an arithmetic number, because the mean of its divisors is an integer number (2763264).

Almost surely, 2^36021772 is an apocalyptic number.

It is an amenable number.

36021772 is a deficient number, since it is larger than the sum of its proper divisors (30296564).

36021772 is a wasteful number, since it uses less digits than its factorization.

36021772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 36021772 is about 6001.8140590991. The cubic root of 36021772 is about 330.2592758825.

The spelling of 36021772 in words is "thirty-six million, twenty-one thousand, seven hundred seventy-two".