47347644 has 48 divisors (see below), whose sum is σ = 114428160. Its totient is φ = 15227520.

The previous prime is 47347631. The next prime is 47347649. The reversal of 47347644 is 44674374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47347649) 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, 45409 + ... + 46439.

It is an arithmetic number, because the mean of its divisors is an integer number (2383920).

Almost surely, 2^47347644 is an apocalyptic number.

It is an amenable number.

47347644 is an abundant number, since it is smaller than the sum of its proper divisors (67080516).

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

47347644 is a wasteful number, since it uses less digits than its factorization.

47347644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1168 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 47347644 is about 6880.9624326834. The cubic root of 47347644 is about 361.7702010091.

The spelling of 47347644 in words is "forty-seven million, three hundred forty-seven thousand, six hundred forty-four".