47415456 has 120 divisors (see below), whose sum is σ = 152216064. Its totient is φ = 14359680.

The previous prime is 47415451. The next prime is 47415457. The reversal of 47415456 is 65451474.

47415456 = T₃₃₃ + T₃₃₄ + ... + T₆₈₄.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47415456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47415451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27681 + ... + 29343.

Almost surely, 2^47415456 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 47415456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76108032).

47415456 is an abundant number, since it is smaller than the sum of its proper divisors (104800608).

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

47415456 is a wasteful number, since it uses less digits than its factorization.

47415456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1679 counting only the distinct ones).

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

The square root of 47415456 is about 6885.8881780058. Note that the first 3 decimals coincide. The cubic root of 47415456 is about 361.9428295093.

The spelling of 47415456 in words is "forty-seven million, four hundred fifteen thousand, four hundred fifty-six".