47420281 has 8 divisors (see below), whose sum is σ = 47849984. Its totient is φ = 46992960.

The previous prime is 47420279. The next prime is 47420287. The reversal of 47420281 is 18202474.

47420281 = T₃₅₃ + T₃₅₄ + ... + T₆₈₉.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47420281 - 2¹ = 47420279 is a prime.

It is a super-2 number, since 2×47420281² = 4497366100237922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (47420287) 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, 74836 + ... + 75466.

It is an arithmetic number, because the mean of its divisors is an integer number (5981248).

Almost surely, 2^47420281 is an apocalyptic number.

It is an amenable number.

47420281 is a deficient number, since it is larger than the sum of its proper divisors (429703).

47420281 is a wasteful number, since it uses less digits than its factorization.

47420281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 47420281 is about 6886.2385233159. The cubic root of 47420281 is about 361.9551062018.

The spelling of 47420281 in words is "forty-seven million, four hundred twenty thousand, two hundred eighty-one".