47461345 has 4 divisors (see below), whose sum is σ = 56953620. Its totient is φ = 37969072.

The previous prime is 47461303. The next prime is 47461357. The reversal of 47461345 is 54316474.

47461345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4963984 + 42497361 = 2228^2 + 6519^2 .

It is a cyclic number.

It is not a de Polignac number, because 47461345 - 2¹¹ = 47459297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47461345.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4746130 + ... + 4746139.

It is an arithmetic number, because the mean of its divisors is an integer number (14238405).

Almost surely, 2^47461345 is an apocalyptic number.

It is an amenable number.

47461345 is a deficient number, since it is larger than the sum of its proper divisors (9492275).

47461345 is an equidigital number, since it uses as much as digits as its factorization.

47461345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492274.

The product of its digits is 40320, while the sum is 34.

The square root of 47461345 is about 6889.2194768348. The cubic root of 47461345 is about 362.0595554366.

The spelling of 47461345 in words is "forty-seven million, four hundred sixty-one thousand, three hundred forty-five".