47009340 has 72 divisors (see below), whose sum is σ = 162970080. Its totient is φ = 10744704.

The previous prime is 47009327. The next prime is 47009341. The reversal of 47009340 is 4390074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47009341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17395 + ... + 19914.

Almost surely, 2^47009340 is an apocalyptic number.

It is an amenable number.

47009340 is an abundant number, since it is smaller than the sum of its proper divisors (115960740).

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

47009340 is a wasteful number, since it uses less digits than its factorization.

47009340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37331 (or 37326 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 47009340 is about 6856.3357560726. The cubic root of 47009340 is about 360.9065117040.

The spelling of 47009340 in words is "forty-seven million, nine thousand, three hundred forty".