47919465 has 96 divisors (see below), whose sum is σ = 98743680. Its totient is φ = 21859200.

The previous prime is 47919457. The next prime is 47919467. The reversal of 47919465 is 56491974.

It is not a de Polignac number, because 47919465 - 2³ = 47919457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47919465.

It is not an unprimeable number, because it can be changed into a prime (47919467) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 785535 + ... + 785595.

It is an arithmetic number, because the mean of its divisors is an integer number (1028580).

Almost surely, 2^47919465 is an apocalyptic number.

47919465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47919465 is an abundant number, since it is smaller than the sum of its proper divisors (50824215).

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

47919465 is a wasteful number, since it uses less digits than its factorization.

47919465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 103 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 47919465 is about 6922.3886773281. The cubic root of 47919465 is about 363.2207522775.

It can be divided in two parts, 47919 and 465, that added together give a palindrome (48384).

The spelling of 47919465 in words is "forty-seven million, nine hundred nineteen thousand, four hundred sixty-five".