70471 has 4 divisors (see below), whose sum is σ = 74200. Its totient is φ = 66744.

The previous prime is 70459. The next prime is 70481. The reversal of 70471 is 17407.

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 70471 - 2⁵ = 70439 is a prime.

It is a super-3 number, since 3×70471³ = 1049911173291333, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 3709 = 70471 / (7 + 0 + 4 + 7 + 1).

It is a Duffinian number.

70471 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70451) 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, 1836 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (18550).

2⁷⁰⁴⁷¹ is an apocalyptic number.

70471 is a deficient number, since it is larger than the sum of its proper divisors (3729).

70471 is a wasteful number, since it uses less digits than its factorization.

70471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 70471 is about 265.4637451706. The cubic root of 70471 is about 41.3050809939.

Adding to 70471 its reverse (17407), we get a palindrome (87878).

The spelling of 70471 in words is "seventy thousand, four hundred seventy-one", and thus it is an iban number.