47045169 has 6 divisors (see below), whose sum is σ = 67954146. Its totient is φ = 31363440.

The previous prime is 47045161. The next prime is 47045179. The reversal of 47045169 is 96154074.

It can be written as a sum of positive squares in only one way, i.e., 35856144 + 11189025 = 5988^2 + 3345^2 .

It is not a de Polignac number, because 47045169 - 2³ = 47045161 is a prime.

It is a super-2 number, since 2×47045169² = 4426495852477122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47045161) 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, 2613612 + ... + 2613629.

It is an arithmetic number, because the mean of its divisors is an integer number (11325691).

Almost surely, 2^47045169 is an apocalyptic number.

It is an amenable number.

47045169 is a deficient number, since it is larger than the sum of its proper divisors (20908977).

47045169 is a wasteful number, since it uses less digits than its factorization.

47045169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227247 (or 5227244 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 47045169 is about 6858.9480971939. The cubic root of 47045169 is about 360.9981788466.

The spelling of 47045169 in words is "forty-seven million, forty-five thousand, one hundred sixty-nine".