47192017 has 4 divisors (see below), whose sum is σ = 49968036. Its totient is φ = 44416000.

The previous prime is 47192011. The next prime is 47192023. The reversal of 47192017 is 71029174.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47192011) and next prime (47192023).

It can be written as a sum of positive squares in 2 ways, for example, as 23338561 + 23853456 = 4831^2 + 4884^2 .

It is a cyclic number.

It is not a de Polignac number, because 47192017 - 2³ = 47192009 is a prime.

It is a Smith number, since the sum of its digits (31) 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 self number, because there is not a number n which added to its sum of digits gives 47192017.

It is not an unprimeable number, because it can be changed into a prime (47192011) 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, 1387984 + ... + 1388017.

It is an arithmetic number, because the mean of its divisors is an integer number (12492009).

Almost surely, 2^47192017 is an apocalyptic number.

It is an amenable number.

47192017 is a deficient number, since it is larger than the sum of its proper divisors (2776019).

47192017 is a wasteful number, since it uses less digits than its factorization.

47192017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776018.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 47192017 is about 6869.6446050724. The cubic root of 47192017 is about 361.3733983758.

The spelling of 47192017 in words is "forty-seven million, one hundred ninety-two thousand, seventeen".