47463665 has 4 divisors (see below), whose sum is σ = 56956404. Its totient is φ = 37970928.

The previous prime is 47463659. The next prime is 47463707. The reversal of 47463665 is 56636474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56636474 = 2 ⋅28318237.

It can be written as a sum of positive squares in 2 ways, for example, as 8737936 + 38725729 = 2956^2 + 6223^2 .

It is a cyclic number.

It is not a de Polignac number, because 47463665 - 2⁶ = 47463601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4746362 + ... + 4746371.

It is an arithmetic number, because the mean of its divisors is an integer number (14239101).

Almost surely, 2^47463665 is an apocalyptic number.

It is an amenable number.

47463665 is a deficient number, since it is larger than the sum of its proper divisors (9492739).

47463665 is an equidigital number, since it uses as much as digits as its factorization.

47463665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492738.

The product of its digits is 362880, while the sum is 41.

The square root of 47463665 is about 6889.3878537937. The cubic root of 47463665 is about 362.0654547250.

The spelling of 47463665 in words is "forty-seven million, four hundred sixty-three thousand, six hundred sixty-five".