47812066 has 32 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 22283136.

The previous prime is 47812057. The next prime is 47812069. The reversal of 47812066 is 66021874.

It is not an unprimeable number, because it can be changed into a prime (47812069) 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, 205086 + ... + 205318.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 2^47812066 is an apocalyptic number.

47812066 is a deficient number, since it is larger than the sum of its proper divisors (29014814).

47812066 is a wasteful number, since it uses less digits than its factorization.

47812066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 47812066 is about 6914.6269602922. The cubic root of 47812066 is about 362.9491943962.

It can be divided in two parts, 478 and 12066, that added together give a square (12544 = 112²).

The spelling of 47812066 in words is "forty-seven million, eight hundred twelve thousand, sixty-six".