47308329 has 6 divisors (see below), whose sum is σ = 68334266. Its totient is φ = 31538880.

The previous prime is 47308321. The next prime is 47308333. The reversal of 47308329 is 92380374.

It can be written as a sum of positive squares in only one way, i.e., 46785600 + 522729 = 6840^2 + 723^2 .

It is not a de Polignac number, because 47308329 - 2³ = 47308321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47308293 and 47308302.

It is not an unprimeable number, because it can be changed into a prime (47308321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2628232 + ... + 2628249.

Almost surely, 2^47308329 is an apocalyptic number.

It is an amenable number.

47308329 is a deficient number, since it is larger than the sum of its proper divisors (21025937).

47308329 is a wasteful number, since it uses less digits than its factorization.

47308329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256487 (or 5256484 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 47308329 is about 6878.1050442691. The cubic root of 47308329 is about 361.6700416154.

The spelling of 47308329 in words is "forty-seven million, three hundred eight thousand, three hundred twenty-nine".