47071860 has 96 divisors (see below), whose sum is σ = 145901952. Its totient is φ = 11243520.

The previous prime is 47071859. The next prime is 47071883. The reversal of 47071860 is 6817074.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47692 + ... + 48668.

It is an arithmetic number, because the mean of its divisors is an integer number (1519812).

Almost surely, 2^47071860 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 47071860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72950976).

47071860 is an abundant number, since it is smaller than the sum of its proper divisors (98830092).

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

47071860 is a wasteful number, since it uses less digits than its factorization.

47071860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 47071860 is about 6860.8935278140. The cubic root of 47071860 is about 361.0664365159.

It can be divided in two parts, 4707 and 1860, that multiplied together give a triangular number (8755020 = T₄₁₈₄).

The spelling of 47071860 in words is "forty-seven million, seventy-one thousand, eight hundred sixty".