47402973 has 6 divisors (see below), whose sum is σ = 68470974. Its totient is φ = 31601976.

The previous prime is 47402963. The next prime is 47402981. The reversal of 47402973 is 37920474.

It can be written as a sum of positive squares in only one way, i.e., 24621444 + 22781529 = 4962^2 + 4773^2 .

It is not a de Polignac number, because 47402973 - 2⁵ = 47402941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47402933) 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 5 ways as a sum of consecutive naturals, for example, 2633490 + ... + 2633507.

It is an arithmetic number, because the mean of its divisors is an integer number (11411829).

Almost surely, 2^47402973 is an apocalyptic number.

It is an amenable number.

47402973 is a deficient number, since it is larger than the sum of its proper divisors (21068001).

47402973 is a wasteful number, since it uses less digits than its factorization.

47402973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267003 (or 5267000 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 47402973 is about 6884.9816993221. The cubic root of 47402973 is about 361.9110639960.

The spelling of 47402973 in words is "forty-seven million, four hundred two thousand, nine hundred seventy-three".