47719093 has 4 divisors (see below), whose sum is σ = 47856960. Its totient is φ = 47581228.

The previous prime is 47719079. The next prime is 47719097. The reversal of 47719093 is 39091774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39091774 = 2 ⋅19545887.

It is a cyclic number.

It is not a de Polignac number, because 47719093 - 2⁹ = 47718581 is a prime.

It is a super-2 number, since 2×47719093² = 4554223673485298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47719097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68413 + ... + 69106.

It is an arithmetic number, because the mean of its divisors is an integer number (11964240).

Almost surely, 2^47719093 is an apocalyptic number.

It is an amenable number.

47719093 is a deficient number, since it is larger than the sum of its proper divisors (137867).

47719093 is a wasteful number, since it uses less digits than its factorization.

47719093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137866.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 47719093 is about 6907.9007665137. The cubic root of 47719093 is about 362.7137840033.

The spelling of 47719093 in words is "forty-seven million, seven hundred nineteen thousand, ninety-three".