47117039 has 4 divisors (see below), whose sum is σ = 47136456. Its totient is φ = 47097624.

The previous prime is 47117033. The next prime is 47117107. The reversal of 47117039 is 93071174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47117039 - 2⁴ = 47117023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47116996 and 47117014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47117033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (11784114).

Almost surely, 2^47117039 is an apocalyptic number.

47117039 is a deficient number, since it is larger than the sum of its proper divisors (19417).

47117039 is a wasteful number, since it uses less digits than its factorization.

47117039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 47117039 is about 6864.1852393420. The cubic root of 47117039 is about 361.1819153067.

The spelling of 47117039 in words is "forty-seven million, one hundred seventeen thousand, thirty-nine".