47742743 has 8 divisors (see below), whose sum is σ = 48607776. Its totient is φ = 46883200.

The previous prime is 47742713. The next prime is 47742757. The reversal of 47742743 is 34724774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47742743 - 2¹⁶ = 47677207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47742697 and 47742706.

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 7 ways as a sum of consecutive naturals, for example, 18755 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (6075972).

Almost surely, 2^47742743 is an apocalyptic number.

47742743 is a deficient number, since it is larger than the sum of its proper divisors (865033).

47742743 is a wasteful number, since it uses less digits than its factorization.

47742743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745.

The product of its digits is 131712, while the sum is 38.

The square root of 47742743 is about 6909.6123624991. The cubic root of 47742743 is about 362.7736954818.

The spelling of 47742743 in words is "forty-seven million, seven hundred forty-two thousand, seven hundred forty-three".