70444544470 has 48 divisors (see below), whose sum is σ = 129482472240. Its totient is φ = 27593584448.

The previous prime is 70444544447. The next prime is 70444544473. The reversal of 70444544470 is 7444544407.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70444544473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9360129 + ... + 9367651.

It is an arithmetic number, because the mean of its divisors is an integer number (2697551505).

Almost surely, 2^70444544470 is an apocalyptic number.

70444544470 is a deficient number, since it is larger than the sum of its proper divisors (59037927770).

70444544470 is a wasteful number, since it uses less digits than its factorization.

70444544470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917 (or 7858 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 43.

The spelling of 70444544470 in words is "seventy billion, four hundred forty-four million, five hundred forty-four thousand, four hundred seventy".