47001992 has 8 divisors (see below), whose sum is σ = 88128750. Its totient is φ = 23500992.

The previous prime is 47001973. The next prime is 47002003. The reversal of 47001992 is 29910074.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 1223236 = 6766^2 + 1106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2937617 + ... + 2937632.

Almost surely, 2^47001992 is an apocalyptic number.

It is an amenable number.

47001992 is a deficient number, since it is larger than the sum of its proper divisors (41126758).

47001992 is a wasteful number, since it uses less digits than its factorization.

47001992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875255 (or 5875251 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 47001992 is about 6855.7998803932. The cubic root of 47001992 is about 360.8877063685.

The spelling of 47001992 in words is "forty-seven million, one thousand, nine hundred ninety-two".