47151873 has 6 divisors (see below), whose sum is σ = 68108274. Its totient is φ = 31434576.

The previous prime is 47151869. The next prime is 47151877. The reversal of 47151873 is 37815174.

47151873 is a `hidden beast` number, since 4 + 71 + 518 + 73 = 666.

It is an interprime number because it is at equal distance from previous prime (47151869) and next prime (47151877).

It can be written as a sum of positive squares in only one way, i.e., 23648769 + 23503104 = 4863^2 + 4848^2 .

It is not a de Polignac number, because 47151873 - 2² = 47151869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47151877) 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, 2619540 + ... + 2619557.

It is an arithmetic number, because the mean of its divisors is an integer number (11351379).

Almost surely, 2^47151873 is an apocalyptic number.

It is an amenable number.

47151873 is a deficient number, since it is larger than the sum of its proper divisors (20956401).

47151873 is a wasteful number, since it uses less digits than its factorization.

47151873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239103 (or 5239100 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 47151873 is about 6866.7221437888. The cubic root of 47151873 is about 361.2709015975.

The spelling of 47151873 in words is "forty-seven million, one hundred fifty-one thousand, eight hundred seventy-three".