47742733 has 4 divisors (see below), whose sum is σ = 49818528. Its totient is φ = 45666940.

The previous prime is 47742713. The next prime is 47742757. The reversal of 47742733 is 33724774.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33724774 = 2 ⋅16862387.

It is a cyclic number.

It is not a de Polignac number, because 47742733 - 2²⁵ = 14188301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47742692 and 47742701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47742703) 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, 1037863 + ... + 1037908.

It is an arithmetic number, because the mean of its divisors is an integer number (12454632).

Almost surely, 2^47742733 is an apocalyptic number.

It is an amenable number.

47742733 is a deficient number, since it is larger than the sum of its proper divisors (2075795).

47742733 is a wasteful number, since it uses less digits than its factorization.

47742733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075794.

The product of its digits is 98784, while the sum is 37.

The square root of 47742733 is about 6909.6116388694. The cubic root of 47742733 is about 362.7736701535.

The spelling of 47742733 in words is "forty-seven million, seven hundred forty-two thousand, seven hundred thirty-three".