70470343 has 4 divisors (see below), whose sum is σ = 71969760. Its totient is φ = 68970928.

The previous prime is 70470329. The next prime is 70470371. The reversal of 70470343 is 34307407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34307407 = 19 ⋅1805653.

It is a cyclic number.

It is not a de Polignac number, because 70470343 - 2⁹ = 70469831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70470313) 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, 749638 + ... + 749731.

It is an arithmetic number, because the mean of its divisors is an integer number (17992440).

Almost surely, 2^70470343 is an apocalyptic number.

70470343 is a deficient number, since it is larger than the sum of its proper divisors (1499417).

70470343 is a wasteful number, since it uses less digits than its factorization.

70470343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499416.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 70470343 is about 8394.6615774550. The cubic root of 70470343 is about 413.0495263125.

The spelling of 70470343 in words is "seventy million, four hundred seventy thousand, three hundred forty-three".