7344073644 has 24 divisors (see below), whose sum is σ = 18144182448. Its totient is φ = 2304023040.

The previous prime is 7344073621. The next prime is 7344073687. The reversal of 7344073644 is 4463704437.

It is a junction number, because it is equal to n+sod(n) for n = 7344073596 and 7344073605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17999977 + ... + 18000384.

It is an arithmetic number, because the mean of its divisors is an integer number (756007602).

Almost surely, 2^7344073644 is an apocalyptic number.

It is an amenable number.

7344073644 is an abundant number, since it is smaller than the sum of its proper divisors (10800108804).

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

7344073644 is a wasteful number, since it uses less digits than its factorization.

7344073644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36000385 (or 36000383 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 42.

The square root of 7344073644 is about 85697.5708173808. The cubic root of 7344073644 is about 1943.7735779662.

The spelling of 7344073644 in words is "seven billion, three hundred forty-four million, seventy-three thousand, six hundred forty-four".