47365605 has 36 divisors (see below), whose sum is σ = 95508972. Its totient is φ = 21651840.

The previous prime is 47365603. The next prime is 47365627. The reversal of 47365605 is 50656374.

47365605 is a `hidden beast` number, since 47 + 3 + 6 + 5 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25826724 + 21538881 = 5082^2 + 4641^2 .

It is not a de Polignac number, because 47365605 - 2¹ = 47365603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47365605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47365601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8536 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (2653027).

Almost surely, 2^47365605 is an apocalyptic number.

47365605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47365605 is an abundant number, since it is smaller than the sum of its proper divisors (48143367).

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

47365605 is a wasteful number, since it uses less digits than its factorization.

47365605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506 (or 21496 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 47365605 is about 6882.2674315955. The cubic root of 47365605 is about 361.8159402306.

The spelling of 47365605 in words is "forty-seven million, three hundred sixty-five thousand, six hundred five".