47542305 has 16 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 24765888.

The previous prime is 47542291. The next prime is 47542307. The reversal of 47542305 is 50324574.

It is not a de Polignac number, because 47542305 - 2⁴ = 47542289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47542307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36210 + ... + 37499.

It is an arithmetic number, because the mean of its divisors is an integer number (4864860).

Almost surely, 2^47542305 is an apocalyptic number.

It is an amenable number.

47542305 is a deficient number, since it is larger than the sum of its proper divisors (30295455).

47542305 is a wasteful number, since it uses less digits than its factorization.

47542305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73760.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 47542305 is about 6895.0928202599. The cubic root of 47542305 is about 362.2653066664.

Adding to 47542305 its reverse (50324574), we get a palindrome (97866879).

The spelling of 47542305 in words is "forty-seven million, five hundred forty-two thousand, three hundred five".