47547072 has 168 divisors, whose sum is σ = 147559776. Its totient is φ = 14598144.

The previous prime is 47547061. The next prime is 47547077. The reversal of 47547072 is 27074574.

It is a happy number.

47547072 is a `hidden beast` number, since 47 + 547 + 0 + 72 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (47547077) 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, 490128 + ... + 490224.

It is an arithmetic number, because the mean of its divisors is an integer number (878332).

Almost surely, 2^47547072 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 47547072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73779888).

47547072 is an abundant number, since it is smaller than the sum of its proper divisors (100012704).

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

47547072 is a wasteful number, since it uses less digits than its factorization.

47547072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 47547072 is about 6895.4384922208. The cubic root of 47547072 is about 362.2774142058.

The spelling of 47547072 in words is "forty-seven million, five hundred forty-seven thousand, seventy-two".