47361665 has 32 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 33225984.

The previous prime is 47361653. The next prime is 47361667. The reversal of 47361665 is 56616374.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47361665 - 2⁴ = 47361649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47361667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112826 + ... + 113244.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^47361665 is an apocalyptic number.

It is an amenable number.

47361665 is a deficient number, since it is larger than the sum of its proper divisors (16989055).

47361665 is a wasteful number, since it uses less digits than its factorization.

47361665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its digits is 90720, while the sum is 38.

The square root of 47361665 is about 6881.9811827700. The cubic root of 47361665 is about 361.8059076740.

The spelling of 47361665 in words is "forty-seven million, three hundred sixty-one thousand, six hundred sixty-five".