70270443 has 16 divisors (see below), whose sum is σ = 104268160. Its totient is φ = 46773288.

The previous prime is 70270423. The next prime is 70270463. The reversal of 70270443 is 34407207.

It is an interprime number because it is at equal distance from previous prime (70270423) and next prime (70270463).

It is not a de Polignac number, because 70270443 - 2⁹ = 70269931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70270423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19596 + ... + 22902.

It is an arithmetic number, because the mean of its divisors is an integer number (6516760).

Almost surely, 2^70270443 is an apocalyptic number.

70270443 is a deficient number, since it is larger than the sum of its proper divisors (33997717).

70270443 is a wasteful number, since it uses less digits than its factorization.

70270443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103 (or 4097 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 70270443 is about 8382.7467455483. The cubic root of 70270443 is about 412.6585968665.

The spelling of 70270443 in words is "seventy million, two hundred seventy thousand, four hundred forty-three".