47421580 has 24 divisors (see below), whose sum is σ = 100471392. Its totient is φ = 18799872.

The previous prime is 47421571. The next prime is 47421581. The reversal of 47421580 is 8512474.

It is not an unprimeable number, because it can be changed into a prime (47421581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8232 + ... + 12751.

It is an arithmetic number, because the mean of its divisors is an integer number (4186308).

Almost surely, 2^47421580 is an apocalyptic number.

It is an amenable number.

47421580 is an abundant number, since it is smaller than the sum of its proper divisors (53049812).

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

47421580 is a wasteful number, since it uses less digits than its factorization.

47421580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21105 (or 21103 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 47421580 is about 6886.3328412153. The cubic root of 47421580 is about 361.9584112250.

The spelling of 47421580 in words is "forty-seven million, four hundred twenty-one thousand, five hundred eighty".