7943073444 has 18 divisors (see below), whose sum is σ = 20078324630. Its totient is φ = 2647691136.

The previous prime is 7943073433. The next prime is 7943073473. The reversal of 7943073444 is 4443703497.

It can be written as a sum of positive squares in only one way, i.e., 5201294400 + 2741779044 = 72120^2 + 52362^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7943073444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7943073444.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110320429 + ... + 110320500.

Almost surely, 2^7943073444 is an apocalyptic number.

It is an amenable number.

7943073444 is an abundant number, since it is smaller than the sum of its proper divisors (12135251186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7943073444 is a wasteful number, since it uses less digits than its factorization.

7943073444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220640939 (or 220640934 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The square root of 7943073444 is about 89123.9218392009. The cubic root of 7943073444 is about 1995.2448234415.

The spelling of 7943073444 in words is "seven billion, nine hundred forty-three million, seventy-three thousand, four hundred forty-four".