47794791 has 16 divisors (see below), whose sum is σ = 69758208. Its totient is φ = 28867200.

The previous prime is 47794783. The next prime is 47794793. The reversal of 47794791 is 19749774.

It is not a de Polignac number, because 47794791 - 2³ = 47794783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47794791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47794793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7935 + ... + 12591.

It is an arithmetic number, because the mean of its divisors is an integer number (4359888).

Almost surely, 2^47794791 is an apocalyptic number.

47794791 is a deficient number, since it is larger than the sum of its proper divisors (21963417).

47794791 is a wasteful number, since it uses less digits than its factorization.

47794791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982.

The product of its digits is 444528, while the sum is 48.

The square root of 47794791 is about 6913.3776838822. The cubic root of 47794791 is about 362.9054766827.

The spelling of 47794791 in words is "forty-seven million, seven hundred ninety-four thousand, seven hundred ninety-one".