7273423656 has 24 divisors (see below), whose sum is σ = 19698855930. Its totient is φ = 2424474528.

The previous prime is 7273423643. The next prime is 7273423679. The reversal of 7273423656 is 6563243727.

It can be written as a sum of positive squares in only one way, i.e., 7270290756 + 3132900 = 85266^2 + 1770^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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, 50509815 + ... + 50509958.

Almost surely, 2^7273423656 is an apocalyptic number.

It is an amenable number.

7273423656 is an abundant number, since it is smaller than the sum of its proper divisors (12425432274).

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

7273423656 is a wasteful number, since it uses less digits than its factorization.

7273423656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101019785 (or 101019778 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The square root of 7273423656 is about 85284.3693533581. The cubic root of 7273423656 is about 1937.5204492937.

The spelling of 7273423656 in words is "seven billion, two hundred seventy-three million, four hundred twenty-three thousand, six hundred fifty-six".