47558340 has 120 divisors (see below), whose sum is σ = 154167552. Its totient is φ = 12260160.

The previous prime is 47558323. The next prime is 47558341. The reversal of 47558340 is 4385574.

47558340 is a `hidden beast` number, since 4 + 75 + 583 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47558295 and 47558304.

It is not an unprimeable number, because it can be changed into a prime (47558341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49747 + ... + 50693.

Almost surely, 2^47558340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47558340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77083776).

47558340 is an abundant number, since it is smaller than the sum of its proper divisors (106609212).

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

47558340 is a wasteful number, since it uses less digits than its factorization.

47558340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 47558340 is about 6896.2555057074. The cubic root of 47558340 is about 362.3060301949.

The spelling of 47558340 in words is "forty-seven million, five hundred fifty-eight thousand, three hundred forty".