47192473 has 4 divisors (see below), whose sum is σ = 47493220. Its totient is φ = 46891728.

The previous prime is 47192449. The next prime is 47192491. The reversal of 47192473 is 37429174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37429174 = 2 ⋅18714587.

It can be written as a sum of positive squares in 2 ways, for example, as 23299929 + 23892544 = 4827^2 + 4888^2 .

It is a cyclic number.

It is not a de Polignac number, because 47192473 - 2¹⁷ = 47061401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47192443) 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 in 3 ways as a sum of consecutive naturals, for example, 150138 + ... + 150451.

It is an arithmetic number, because the mean of its divisors is an integer number (11873305).

Almost surely, 2^47192473 is an apocalyptic number.

It is an amenable number.

47192473 is a deficient number, since it is larger than the sum of its proper divisors (300747).

47192473 is a wasteful number, since it uses less digits than its factorization.

47192473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300746.

The product of its digits is 42336, while the sum is 37.

The square root of 47192473 is about 6869.6777944821. The cubic root of 47192473 is about 361.3745623138.

The spelling of 47192473 in words is "forty-seven million, one hundred ninety-two thousand, four hundred seventy-three".