47401569 has 6 divisors (see below), whose sum is σ = 68468946. Its totient is φ = 31601040.

The previous prime is 47401493. The next prime is 47401577. The reversal of 47401569 is 96510474.

It can be written as a sum of positive squares in only one way, i.e., 41216400 + 6185169 = 6420^2 + 2487^2 .

It is not a de Polignac number, because 47401569 - 2⁷ = 47401441 is a prime.

It is a super-2 number, since 2×47401569² = 4493817487323522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47401369) 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, 2633412 + ... + 2633429.

It is an arithmetic number, because the mean of its divisors is an integer number (11411491).

Almost surely, 2^47401569 is an apocalyptic number.

It is an amenable number.

47401569 is a deficient number, since it is larger than the sum of its proper divisors (21067377).

47401569 is a wasteful number, since it uses less digits than its factorization.

47401569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266847 (or 5266844 counting only the distinct ones).

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

The square root of 47401569 is about 6884.8797375118. The cubic root of 47401569 is about 361.9074908857.

The spelling of 47401569 in words is "forty-seven million, four hundred one thousand, five hundred sixty-nine".