47463845 has 16 divisors (see below), whose sum is σ = 66915072. Its totient is φ = 31863360.

The previous prime is 47463841. The next prime is 47463851. The reversal of 47463845 is 54836474.

It is not a de Polignac number, because 47463845 - 2² = 47463841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47463841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32477 + ... + 33906.

It is an arithmetic number, because the mean of its divisors is an integer number (4182192).

Almost surely, 2^47463845 is an apocalyptic number.

It is an amenable number.

47463845 is a deficient number, since it is larger than the sum of its proper divisors (19451227).

47463845 is a wasteful number, since it uses less digits than its factorization.

47463845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66412.

The product of its digits is 322560, while the sum is 41.

The square root of 47463845 is about 6889.4009173512. The cubic root of 47463845 is about 362.0659124204.

The spelling of 47463845 in words is "forty-seven million, four hundred sixty-three thousand, eight hundred forty-five".