47738943 has 32 divisors (see below), whose sum is σ = 81254400. Its totient is φ = 27135648.

The previous prime is 47738939. The next prime is 47738947. The reversal of 47738943 is 34983774.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47738939) and next prime (47738947).

It is not a de Polignac number, because 47738943 - 2² = 47738939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47738947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42730 + ... + 43832.

It is an arithmetic number, because the mean of its divisors is an integer number (2539200).

Almost surely, 2^47738943 is an apocalyptic number.

47738943 is a deficient number, since it is larger than the sum of its proper divisors (33515457).

47738943 is a wasteful number, since it uses less digits than its factorization.

47738943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1342 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 47738943 is about 6909.3373777809. The cubic root of 47738943 is about 362.7640704475.

The spelling of 47738943 in words is "forty-seven million, seven hundred thirty-eight thousand, nine hundred forty-three".