70344443 has 16 divisors (see below), whose sum is σ = 77283360. Its totient is φ = 63638784.

The previous prime is 70344433. The next prime is 70344493. The reversal of 70344443 is 34444307.

It is a cyclic number.

It is not a de Polignac number, because 70344443 - 2¹⁶ = 70278907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70344433) 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, 188405 + ... + 188777.

It is an arithmetic number, because the mean of its divisors is an integer number (4830210).

Almost surely, 2^70344443 is an apocalyptic number.

70344443 is a deficient number, since it is larger than the sum of its proper divisors (6938917).

70344443 is a wasteful number, since it uses less digits than its factorization.

70344443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 70344443 is about 8387.1594118629. The cubic root of 70344443 is about 412.8033994416.

The spelling of 70344443 in words is "seventy million, three hundred forty-four thousand, four hundred forty-three".