47734919 has 4 divisors (see below), whose sum is σ = 48388896. Its totient is φ = 47080944.

The previous prime is 47734903. The next prime is 47734931. The reversal of 47734919 is 91943774.

It is a happy number.

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 47734919 - 2⁴ = 47734903 is a prime.

It is a super-2 number, since 2×47734919² = 4557244983873122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47734919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47734969) 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 3 ways as a sum of consecutive naturals, for example, 326879 + ... + 327024.

It is an arithmetic number, because the mean of its divisors is an integer number (12097224).

Almost surely, 2^47734919 is an apocalyptic number.

47734919 is a deficient number, since it is larger than the sum of its proper divisors (653977).

47734919 is an equidigital number, since it uses as much as digits as its factorization.

47734919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653976.

The product of its digits is 190512, while the sum is 44.

The square root of 47734919 is about 6909.0461715059. The cubic root of 47734919 is about 362.7538774859.

The spelling of 47734919 in words is "forty-seven million, seven hundred thirty-four thousand, nine hundred nineteen".