47013719 has 4 divisors (see below), whose sum is σ = 47085720. Its totient is φ = 46941720.

The previous prime is 47013709. The next prime is 47013731. The reversal of 47013719 is 91731074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91731074 = 2 ⋅45865537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47013719 is a prime.

It is a super-2 number, since 2×47013719² = 4420579548421922, 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 (47013709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35012 + ... + 36329.

It is an arithmetic number, because the mean of its divisors is an integer number (11771430).

Almost surely, 2^47013719 is an apocalyptic number.

47013719 is a deficient number, since it is larger than the sum of its proper divisors (72001).

47013719 is an equidigital number, since it uses as much as digits as its factorization.

47013719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72000.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 47013719 is about 6856.6550883065. The cubic root of 47013719 is about 360.9177177079.

The spelling of 47013719 in words is "forty-seven million, thirteen thousand, seven hundred nineteen".