47492017 has 4 divisors (see below), whose sum is σ = 47530096. Its totient is φ = 47453940.

The previous prime is 47491993. The next prime is 47492021. The reversal of 47492017 is 71029474.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47492017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47492317) 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, 17103 + ... + 19684.

It is an arithmetic number, because the mean of its divisors is an integer number (11882524).

Almost surely, 2^47492017 is an apocalyptic number.

It is an amenable number.

47492017 is a deficient number, since it is larger than the sum of its proper divisors (38079).

47492017 is a wasteful number, since it uses less digits than its factorization.

47492017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38078.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 47492017 is about 6891.4452040193. The cubic root of 47492017 is about 362.1375325730.

The spelling of 47492017 in words is "forty-seven million, four hundred ninety-two thousand, seventeen".