47492943 has 4 divisors (see below), whose sum is σ = 63323928. Its totient is φ = 31661960.

The previous prime is 47492933. The next prime is 47492959. The reversal of 47492943 is 34929474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47492943 - 2¹⁶ = 47427407 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47492895 and 47492904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47492903) 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, 7915488 + ... + 7915493.

It is an arithmetic number, because the mean of its divisors is an integer number (15830982).

Almost surely, 2^47492943 is an apocalyptic number.

47492943 is a deficient number, since it is larger than the sum of its proper divisors (15830985).

47492943 is a wasteful number, since it uses less digits than its factorization.

47492943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15830984.

The product of its digits is 217728, while the sum is 42.

The square root of 47492943 is about 6891.5123884384. The cubic root of 47492943 is about 362.1398862119.

It can be divided in two parts, 4 and 7492943, that added together give a palindrome (7492947).

The spelling of 47492943 in words is "forty-seven million, four hundred ninety-two thousand, nine hundred forty-three".