36005972 has 6 divisors (see below), whose sum is σ = 63010458. Its totient is φ = 18002984.

The previous prime is 36005953. The next prime is 36006011. The reversal of 36005972 is 27950063.

It can be written as a sum of positive squares in only one way, i.e., 28366276 + 7639696 = 5326^2 + 2764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500743 + ... + 4500750.

It is an arithmetic number, because the mean of its divisors is an integer number (10501743).

Almost surely, 2^36005972 is an apocalyptic number.

It is an amenable number.

36005972 is a deficient number, since it is larger than the sum of its proper divisors (27004486).

36005972 is a wasteful number, since it uses less digits than its factorization.

36005972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001497 (or 9001495 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 36005972 is about 6000.4976460290. The cubic root of 36005972 is about 330.2109823147.

The spelling of 36005972 in words is "thirty-six million, five thousand, nine hundred seventy-two".