47500066 has 4 divisors (see below), whose sum is σ = 71250102. Its totient is φ = 23750032.

The previous prime is 47500051. The next prime is 47500081. The reversal of 47500066 is 66000574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66000574 = 2 ⋅33000287.

It is an interprime number because it is at equal distance from previous prime (47500051) and next prime (47500081).

It can be written as a sum of positive squares in only one way, i.e., 32251041 + 15249025 = 5679^2 + 3905^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11875015 + ... + 11875018.

Almost surely, 2^47500066 is an apocalyptic number.

47500066 is a deficient number, since it is larger than the sum of its proper divisors (23750036).

47500066 is a wasteful number, since it uses less digits than its factorization.

47500066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23750035.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47500066 is about 6892.0291641867. The cubic root of 47500066 is about 362.1579899083.

The spelling of 47500066 in words is "forty-seven million, five hundred thousand, sixty-six".