47005881 has 16 divisors (see below), whose sum is σ = 67878720. Its totient is φ = 28762560.

The previous prime is 47005879. The next prime is 47005883. The reversal of 47005881 is 18850074.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47005879) and next prime (47005883).

It is not a de Polignac number, because 47005881 - 2¹ = 47005879 is a prime.

It is a super-2 number, since 2×47005881² = 4419105697172322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47005883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (4242420).

Almost surely, 2^47005881 is an apocalyptic number.

It is an amenable number.

47005881 is a deficient number, since it is larger than the sum of its proper divisors (20872839).

47005881 is a wasteful number, since it uses less digits than its factorization.

47005881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 47005881 is about 6856.0835029921. The cubic root of 47005881 is about 360.8976595181.

The spelling of 47005881 in words is "forty-seven million, five thousand, eight hundred eighty-one".