36564477 has 4 divisors (see below), whose sum is σ = 48752640. Its totient is φ = 24376316.

The previous prime is 36564461. The next prime is 36564481. The reversal of 36564477 is 77446563.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77446563 = 3 ⋅25815521.

It is a cyclic number.

It is not a de Polignac number, because 36564477 - 2⁴ = 36564461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36564487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6094077 + ... + 6094082.

It is an arithmetic number, because the mean of its divisors is an integer number (12188160).

Almost surely, 2^36564477 is an apocalyptic number.

It is an amenable number.

36564477 is a deficient number, since it is larger than the sum of its proper divisors (12188163).

36564477 is a wasteful number, since it uses less digits than its factorization.

36564477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12188162.

The product of its digits is 423360, while the sum is 42.

The square root of 36564477 is about 6046.8567867943. The cubic root of 36564477 is about 331.9095806654.

The spelling of 36564477 in words is "thirty-six million, five hundred sixty-four thousand, four hundred seventy-seven".