47904719 has 8 divisors (see below), whose sum is σ = 50494080. Its totient is φ = 45322200.

The previous prime is 47904697. The next prime is 47904743. The reversal of 47904719 is 91740974.

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 a de Polignac number, because none of the positive numbers 2^k-47904719 is a prime.

It is a super-2 number, since 2×47904719² = 4589724204937922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47901719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19574 + ... + 21884.

It is an arithmetic number, because the mean of its divisors is an integer number (6311760).

Almost surely, 2^47904719 is an apocalyptic number.

47904719 is a deficient number, since it is larger than the sum of its proper divisors (2589361).

47904719 is a wasteful number, since it uses less digits than its factorization.

47904719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 47904719 is about 6921.3235006030. The cubic root of 47904719 is about 363.1834911304.

The spelling of 47904719 in words is "forty-seven million, nine hundred four thousand, seven hundred nineteen".