7494797312 has 36 divisors (see below), whose sum is σ = 14993772885. Its totient is φ = 3745439744.

The previous prime is 7494797311. The next prime is 7494797339. The reversal of 7494797312 is 2137974947.

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 can be written as a sum of positive squares in 2 ways, for example, as 6262506496 + 1232290816 = 79136^2 + 35104^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=61216.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7494797311) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3916868 + ... + 3918780.

Almost surely, 2^7494797312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7494797312

7494797312 is an abundant number, since it is smaller than the sum of its proper divisors (7498975573).

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

7494797312 is an frugal number, since it uses more digits than its factorization.

7494797312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 1915 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 53.

The square root of 7494797312 is about 86572.4974342314. The cubic root of 7494797312 is about 1956.9810973315.

The spelling of 7494797312 in words is "seven billion, four hundred ninety-four million, seven hundred ninety-seven thousand, three hundred twelve".