47421250 has 40 divisors (see below), whose sum is σ = 90533520. Its totient is φ = 18618000.

The previous prime is 47421233. The next prime is 47421259. The reversal of 47421250 is 5212474.

47421250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (47421259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73429 + ... + 74071.

It is an arithmetic number, because the mean of its divisors is an integer number (2263338).

Almost surely, 2^47421250 is an apocalyptic number.

47421250 is a deficient number, since it is larger than the sum of its proper divisors (43112270).

47421250 is an equidigital number, since it uses as much as digits as its factorization.

47421250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 47421250 is about 6886.3088806704. The cubic root of 47421250 is about 361.9575716174.

The spelling of 47421250 in words is "forty-seven million, four hundred twenty-one thousand, two hundred fifty".