47075544 has 96 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 14860800.

The previous prime is 47075543. The next prime is 47075551. The reversal of 47075544 is 44557074.

47075544 is a `hidden beast` number, since 47 + 0 + 75 + 544 = 666.

It is a super-2 number, since 2×47075544² = 4432213685791872, which contains 22 as substring.

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 = 47075499 and 47075508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47075543) 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, 109009 + ... + 109439.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^47075544 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 47075544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

47075544 is an abundant number, since it is smaller than the sum of its proper divisors (87371496).

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

47075544 is a wasteful number, since it uses less digits than its factorization.

47075544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 47075544 is about 6861.1620007110. The cubic root of 47075544 is about 361.0758556894.

The spelling of 47075544 in words is "forty-seven million, seventy-five thousand, five hundred forty-four".