70056471 has 4 divisors (see below), whose sum is σ = 93408632. Its totient is φ = 46704312.

The previous prime is 70056451. The next prime is 70056521. The reversal of 70056471 is 17465007.

It is a happy number.

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

It is not a de Polignac number, because 70056471 - 2⁹ = 70055959 is a prime.

It is a super-3 number, since 3×70056471³ (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 (70056451) 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, 11676076 + ... + 11676081.

It is an arithmetic number, because the mean of its divisors is an integer number (23352158).

Almost surely, 2^70056471 is an apocalyptic number.

70056471 is a deficient number, since it is larger than the sum of its proper divisors (23352161).

70056471 is a wasteful number, since it uses less digits than its factorization.

70056471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352160.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 70056471 is about 8369.9743727206. The cubic root of 70056471 is about 412.2393254790.

The spelling of 70056471 in words is "seventy million, fifty-six thousand, four hundred seventy-one".