47649417 has 8 divisors (see below), whose sum is σ = 63603840. Its totient is φ = 31730640.

The previous prime is 47649361. The next prime is 47649431. The reversal of 47649417 is 71494674.

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

It is not a de Polignac number, because 47649417 - 2²⁴ = 30872201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47649457) 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, 5617 + ... + 11262.

It is an arithmetic number, because the mean of its divisors is an integer number (7950480).

Almost surely, 2^47649417 is an apocalyptic number.

It is an amenable number.

47649417 is a deficient number, since it is larger than the sum of its proper divisors (15954423).

47649417 is a wasteful number, since it uses less digits than its factorization.

47649417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823.

The product of its digits is 169344, while the sum is 42.

The square root of 47649417 is about 6902.8557133986. The cubic root of 47649417 is about 362.5371617867.

The spelling of 47649417 in words is "forty-seven million, six hundred forty-nine thousand, four hundred seventeen".