7268745816 has 48 divisors (see below), whose sum is σ = 20194441800. Its totient is φ = 2422497600.

The previous prime is 7268745763. The next prime is 7268745823. The reversal of 7268745816 is 6185478627.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1250116 + ... + 1255916.

Almost surely, 2^7268745816 is an apocalyptic number.

It is an amenable number.

7268745816 is an abundant number, since it is smaller than the sum of its proper divisors (12925695984).

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

7268745816 is an frugal number, since it uses more digits than its factorization.

7268745816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11617 (or 5806 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 7268745816 is about 85256.9399873113. The cubic root of 7268745816 is about 1937.1049936660.

Multiplying 7268745816 by its sum of digits (54), we get a square (392512274064 = 626508²).

7268745816 divided by its sum of digits (54) gives a square (134606404 = 11602²).

The spelling of 7268745816 in words is "seven billion, two hundred sixty-eight million, seven hundred forty-five thousand, eight hundred sixteen".