47631465 has 48 divisors (see below), whose sum is σ = 95472000. Its totient is φ = 21517056.

The previous prime is 47631457. The next prime is 47631497. The reversal of 47631465 is 56413674.

It is a happy number.

It is not a de Polignac number, because 47631465 - 2³ = 47631457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27186 + ... + 28884.

It is an arithmetic number, because the mean of its divisors is an integer number (1989000).

Almost surely, 2^47631465 is an apocalyptic number.

47631465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47631465 is an abundant number, since it is smaller than the sum of its proper divisors (47840535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47631465 is a wasteful number, since it uses less digits than its factorization.

47631465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1803 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 47631465 is about 6901.5552595049. Note that the first 3 decimals coincide. The cubic root of 47631465 is about 362.4916272343.

The spelling of 47631465 in words is "forty-seven million, six hundred thirty-one thousand, four hundred sixty-five".