47703161 has 6 divisors (see below), whose sum is σ = 52434186. Its totient is φ = 43366400.

The previous prime is 47703157. The next prime is 47703163. The reversal of 47703161 is 16130774.

It can be written as a sum of positive squares in only one way, i.e., 29767936 + 17935225 = 5456^2 + 4235^2 .

It is not a de Polignac number, because 47703161 - 2² = 47703157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47703163) 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, 197000 + ... + 197241.

It is an arithmetic number, because the mean of its divisors is an integer number (8739031).

Almost surely, 2^47703161 is an apocalyptic number.

It is an amenable number.

47703161 is a deficient number, since it is larger than the sum of its proper divisors (4731025).

47703161 is a wasteful number, since it uses less digits than its factorization.

47703161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394263 (or 394252 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 47703161 is about 6906.7474979182. The cubic root of 47703161 is about 362.6734130261.

The spelling of 47703161 in words is "forty-seven million, seven hundred three thousand, one hundred sixty-one".