36646472 has 8 divisors (see below), whose sum is σ = 68712150. Its totient is φ = 18323232.

The previous prime is 36646471. The next prime is 36646483. The reversal of 36646472 is 27464663.

It can be written as a sum of positive squares in only one way, i.e., 23872996 + 12773476 = 4886^2 + 3574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (36646471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290397 + ... + 2290412.

Almost surely, 2^36646472 is an apocalyptic number.

It is an amenable number.

36646472 is a deficient number, since it is larger than the sum of its proper divisors (32065678).

36646472 is a wasteful number, since it uses less digits than its factorization.

36646472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580815 (or 4580811 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 36646472 is about 6053.6329588108. The cubic root of 36646472 is about 332.1574953142.

The spelling of 36646472 in words is "thirty-six million, six hundred forty-six thousand, four hundred seventy-two".