47494517 has 8 divisors (see below), whose sum is σ = 56639616. Its totient is φ = 38939472.

The previous prime is 47494501. The next prime is 47494561. The reversal of 47494517 is 71549474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47494517 - 2⁴ = 47494501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47494567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147338 + ... + 147659.

It is an arithmetic number, because the mean of its divisors is an integer number (7079952).

Almost surely, 2^47494517 is an apocalyptic number.

It is an amenable number.

47494517 is a deficient number, since it is larger than the sum of its proper divisors (9145099).

47494517 is a wasteful number, since it uses less digits than its factorization.

47494517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295027.

The product of its digits is 141120, while the sum is 41.

The square root of 47494517 is about 6891.6265859375. The cubic root of 47494517 is about 362.1438868195.

The spelling of 47494517 in words is "forty-seven million, four hundred ninety-four thousand, five hundred seventeen".