47317630 has 32 divisors (see below), whose sum is σ = 92293344. Its totient is φ = 17396736.

The previous prime is 47317577. The next prime is 47317631. The reversal of 47317630 is 3671374.

It is a junction number, because it is equal to n+sod(n) for n = 47317592 and 47317601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47317631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074 + ... + 10546.

It is an arithmetic number, because the mean of its divisors is an integer number (2884167).

It is a vampire number, since it can be written as 6473 ⋅ 7310 (with its own digits).

Almost surely, 2^47317630 is an apocalyptic number.

47317630 is a deficient number, since it is larger than the sum of its proper divisors (44975714).

47317630 is a wasteful number, since it uses less digits than its factorization.

47317630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 47317630 is about 6878.7811420338. The cubic root of 47317630 is about 361.6937419708.

The spelling of 47317630 in words is "forty-seven million, three hundred seventeen thousand, six hundred thirty".