47471616 has 176 divisors, whose sum is σ = 150331680. Its totient is φ = 14745600.

The previous prime is 47471591. The next prime is 47471617. The reversal of 47471616 is 61617474.

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

Its product of digits (28224) is a multiple of the sum of its prime factors (147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47471617) 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, 469966 + ... + 470066.

Almost surely, 2^47471616 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 47471616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75165840).

47471616 is an abundant number, since it is smaller than the sum of its proper divisors (102860064).

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

47471616 is a wasteful number, since it uses less digits than its factorization.

47471616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 123 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 47471616 is about 6889.9648765433. The cubic root of 47471616 is about 362.0856710434.

The spelling of 47471616 in words is "forty-seven million, four hundred seventy-one thousand, six hundred sixteen".