47454291 has 12 divisors (see below), whose sum is σ = 69569032. Its totient is φ = 31163616.

The previous prime is 47454287. The next prime is 47454301. The reversal of 47454291 is 19245474.

It is a happy number.

It is not a de Polignac number, because 47454291 - 2² = 47454287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47454271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38746 + ... + 39951.

Almost surely, 2^47454291 is an apocalyptic number.

47454291 is a deficient number, since it is larger than the sum of its proper divisors (22114741).

47454291 is a wasteful number, since it uses less digits than its factorization.

47454291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78770 (or 78767 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 47454291 is about 6888.7074985080. The cubic root of 47454291 is about 362.0416173676.

The spelling of 47454291 in words is "forty-seven million, four hundred fifty-four thousand, two hundred ninety-one".