47506617 has 12 divisors (see below), whose sum is σ = 69746404. Its totient is φ = 31151520.

The previous prime is 47506607. The next prime is 47506621. The reversal of 47506617 is 71660574.

It can be written as a sum of positive squares in 2 ways, for example, as 1212201 + 46294416 = 1101^2 + 6804^2 .

It is not a de Polignac number, because 47506617 - 2⁷ = 47506489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47506607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42718 + ... + 43815.

Almost surely, 2^47506617 is an apocalyptic number.

It is an amenable number.

47506617 is a deficient number, since it is larger than the sum of its proper divisors (22239787).

47506617 is a wasteful number, since it uses less digits than its factorization.

47506617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86600 (or 86597 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 47506617 is about 6892.5044069627. The cubic root of 47506617 is about 362.1746382215.

The spelling of 47506617 in words is "forty-seven million, five hundred six thousand, six hundred seventeen".