47746081 has 4 divisors (see below), whose sum is σ = 50554692. Its totient is φ = 44937472.

The previous prime is 47746067. The next prime is 47746109. The reversal of 47746081 is 18064774.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30030400 + 17715681 = 5480^2 + 4209^2 .

It is a cyclic number.

It is not a de Polignac number, because 47746081 - 2⁹ = 47745569 is a prime.

It is a super-2 number, since 2×47746081² = 4559376501717122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47746081.

It is not an unprimeable number, because it can be changed into a prime (47746001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404280 + ... + 1404313.

It is an arithmetic number, because the mean of its divisors is an integer number (12638673).

Almost surely, 2^47746081 is an apocalyptic number.

It is an amenable number.

47746081 is a deficient number, since it is larger than the sum of its proper divisors (2808611).

47746081 is a wasteful number, since it uses less digits than its factorization.

47746081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808610.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 47746081 is about 6909.8539058362. The cubic root of 47746081 is about 362.7821498932.

The spelling of 47746081 in words is "forty-seven million, seven hundred forty-six thousand, eighty-one".