70012471 has 4 divisors (see below), whose sum is σ = 71640712. Its totient is φ = 68384232.

The previous prime is 70012463. The next prime is 70012489. The reversal of 70012471 is 17421007.

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 70012471 - 2³ = 70012463 is a prime.

It is a super-3 number, since 3×70012471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70012451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814056 + ... + 814141.

It is an arithmetic number, because the mean of its divisors is an integer number (17910178).

Almost surely, 2^70012471 is an apocalyptic number.

70012471 is a deficient number, since it is larger than the sum of its proper divisors (1628241).

70012471 is a wasteful number, since it uses less digits than its factorization.

70012471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628240.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 70012471 is about 8367.3455169486. The cubic root of 70012471 is about 412.1530030747.

Adding to 70012471 its reverse (17421007), we get a palindrome (87433478).

The spelling of 70012471 in words is "seventy million, twelve thousand, four hundred seventy-one".