47997028 has 6 divisors (see below), whose sum is σ = 83994806. Its totient is φ = 23998512.

The previous prime is 47997023. The next prime is 47997043. The reversal of 47997028 is 82079974.

It can be written as a sum of positive squares in only one way, i.e., 47914084 + 82944 = 6922^2 + 288^2 .

It is not an unprimeable number, because it can be changed into a prime (47997023) 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 as a sum of consecutive naturals, namely, 5999625 + ... + 5999632.

Almost surely, 2^47997028 is an apocalyptic number.

It is an amenable number.

47997028 is a deficient number, since it is larger than the sum of its proper divisors (35997778).

47997028 is a wasteful number, since it uses less digits than its factorization.

47997028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11999261 (or 11999259 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 47997028 is about 6927.9887413303. The cubic root of 47997028 is about 363.4166177416.

The spelling of 47997028 in words is "forty-seven million, nine hundred ninety-seven thousand, twenty-eight".