70444943 has 4 divisors (see below), whose sum is σ = 70510488. Its totient is φ = 70379400.

The previous prime is 70444937. The next prime is 70444961. The reversal of 70444943 is 34944407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34944407 = 619 ⋅56453.

It is a cyclic number.

It is not a de Polignac number, because 70444943 - 2¹⁸ = 70182799 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 (70444903) 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, 31133 + ... + 33318.

It is an arithmetic number, because the mean of its divisors is an integer number (17627622).

Almost surely, 2^70444943 is an apocalyptic number.

70444943 is a deficient number, since it is larger than the sum of its proper divisors (65545).

70444943 is a wasteful number, since it uses less digits than its factorization.

70444943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65544.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 70444943 is about 8393.1485748794. The cubic root of 70444943 is about 412.9998944708. Note that the first 3 decimals are identical.

The spelling of 70444943 in words is "seventy million, four hundred forty-four thousand, nine hundred forty-three".