47420177 has 8 divisors (see below), whose sum is σ = 54326592. Its totient is φ = 40546800.

The previous prime is 47420171. The next prime is 47420189. The reversal of 47420177 is 77102474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47420177 - 2⁴ = 47420161 is a prime.

It is a super-2 number, since 2×47420177² = 4497346373422658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47420171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5099 + ... + 10992.

It is an arithmetic number, because the mean of its divisors is an integer number (6790824).

Almost surely, 2^47420177 is an apocalyptic number.

It is an amenable number.

47420177 is a deficient number, since it is larger than the sum of its proper divisors (6906415).

47420177 is a wasteful number, since it uses less digits than its factorization.

47420177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16519.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 47420177 is about 6886.2309720195. The cubic root of 47420177 is about 361.9548415937.

The spelling of 47420177 in words is "forty-seven million, four hundred twenty thousand, one hundred seventy-seven".