47037540 has 192 divisors, whose sum is σ = 157409280. Its totient is φ = 10454400.

The previous prime is 47037539. The next prime is 47037541. The reversal of 47037540 is 4573074.

It is an interprime number because it is at equal distance from previous prime (47037539) and next prime (47037541).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47037498 and 47037507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47037541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1517325 + ... + 1517355.

It is an arithmetic number, because the mean of its divisors is an integer number (819840).

Almost surely, 2^47037540 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 47037540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78704640).

47037540 is an abundant number, since it is smaller than the sum of its proper divisors (110371740).

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

47037540 is a wasteful number, since it uses less digits than its factorization.

47037540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 47037540 is about 6858.3919398063. The cubic root of 47037540 is about 360.9786642394.

The spelling of 47037540 in words is "forty-seven million, thirty-seven thousand, five hundred forty".