47288973 has 4 divisors (see below), whose sum is σ = 63051968. Its totient is φ = 31525980.

The previous prime is 47288963. The next prime is 47288987. The reversal of 47288973 is 37988274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47288973 - 2¹⁰ = 47287949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47288903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7881493 + ... + 7881498.

It is an arithmetic number, because the mean of its divisors is an integer number (15762992).

Almost surely, 2^47288973 is an apocalyptic number.

It is an amenable number.

47288973 is a deficient number, since it is larger than the sum of its proper divisors (15762995).

47288973 is a wasteful number, since it uses less digits than its factorization.

47288973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15762994.

The product of its digits is 677376, while the sum is 48.

The square root of 47288973 is about 6876.6978267189. The cubic root of 47288973 is about 361.6207096378.

The spelling of 47288973 in words is "forty-seven million, two hundred eighty-eight thousand, nine hundred seventy-three".