47001580 has 72 divisors (see below), whose sum is σ = 106856064. Its totient is φ = 17337600.

The previous prime is 47001553. The next prime is 47001589. The reversal of 47001580 is 8510074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47001589) 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, 1093039 + ... + 1093081.

It is an arithmetic number, because the mean of its divisors is an integer number (1484112).

Almost surely, 2^47001580 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 47001580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53428032).

47001580 is an abundant number, since it is smaller than the sum of its proper divisors (59854484).

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

47001580 is a wasteful number, since it uses less digits than its factorization.

47001580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 47001580 is about 6855.7698327759. The cubic root of 47001580 is about 360.8866519013.

The spelling of 47001580 in words is "forty-seven million, one thousand, five hundred eighty".