47645344 has 24 divisors (see below), whose sum is σ = 96339348. Its totient is φ = 23178240.

The previous prime is 47645327. The next prime is 47645363. The reversal of 47645344 is 44354674.

It can be written as a sum of positive squares in 2 ways, for example, as 47610000 + 35344 = 6900^2 + 188^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 18937 + ... + 21304.

Almost surely, 2^47645344 is an apocalyptic number.

It is an amenable number.

47645344 is an abundant number, since it is smaller than the sum of its proper divisors (48694004).

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

47645344 is a wasteful number, since it uses less digits than its factorization.

47645344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40288 (or 40280 counting only the distinct ones).

The product of its digits is 161280, while the sum is 37.

The square root of 47645344 is about 6902.5606842678. The cubic root of 47645344 is about 362.5268317832.

The spelling of 47645344 in words is "forty-seven million, six hundred forty-five thousand, three hundred forty-four".