47308755 has 64 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 22104576.

The previous prime is 47308747. The next prime is 47308757. The reversal of 47308755 is 55780374.

It is not a de Polignac number, because 47308755 - 2³ = 47308747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (47308757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 569944 + ... + 570026.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^47308755 is an apocalyptic number.

47308755 is a deficient number, since it is larger than the sum of its proper divisors (38492205).

47308755 is a wasteful number, since it uses less digits than its factorization.

47308755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 47308755 is about 6878.1360120312. The cubic root of 47308755 is about 361.6711271957.

The spelling of 47308755 in words is "forty-seven million, three hundred eight thousand, seven hundred fifty-five".