744197474564 has 12 divisors (see below), whose sum is σ = 1302457384284. Its totient is φ = 372066793344.

The previous prime is 744197474521. The next prime is 744197474593. The reversal of 744197474564 is 465474791447.

It can be written as a sum of positive squares in 2 ways, for example, as 665461114564 + 78736360000 = 815758^2 + 280600^2 .

It is a super-2 number, since 2×744197474564² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 744197474497 and 744197474506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7933529 + ... + 8026784.

It is an arithmetic number, because the mean of its divisors is an integer number (108538115357).

Almost surely, 2^744197474564 is an apocalyptic number.

It is an amenable number.

744197474564 is a deficient number, since it is larger than the sum of its proper divisors (558259909720).

744197474564 is a wasteful number, since it uses less digits than its factorization.

744197474564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15971974 (or 15971972 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 62.

The spelling of 744197474564 in words is "seven hundred forty-four billion, one hundred ninety-seven million, four hundred seventy-four thousand, five hundred sixty-four".