47406791 has 4 divisors (see below), whose sum is σ = 47690832. Its totient is φ = 47122752.

The previous prime is 47406787. The next prime is 47406803. The reversal of 47406791 is 19760474.

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 47406791 - 2² = 47406787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47406091) 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, 141770 + ... + 142103.

It is an arithmetic number, because the mean of its divisors is an integer number (11922708).

Almost surely, 2^47406791 is an apocalyptic number.

47406791 is a deficient number, since it is larger than the sum of its proper divisors (284041).

47406791 is a wasteful number, since it uses less digits than its factorization.

47406791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284040.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 47406791 is about 6885.2589639025. The cubic root of 47406791 is about 361.9207802596.

The spelling of 47406791 in words is "forty-seven million, four hundred six thousand, seven hundred ninety-one".