7974563696 has 80 divisors (see below), whose sum is σ = 17269037568. Its totient is φ = 3536332800.

The previous prime is 7974563693. The next prime is 7974563699. The reversal of 7974563696 is 6963654797.

It is an interprime number because it is at equal distance from previous prime (7974563693) and next prime (7974563699).

It is a super-2 number, since 2×7974563696² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974563693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2918651 + ... + 2921381.

Almost surely, 2^7974563696 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 7974563696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8634518784).

7974563696 is an abundant number, since it is smaller than the sum of its proper divisors (9294473872).

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

7974563696 is a wasteful number, since it uses less digits than its factorization.

7974563696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150 (or 3144 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 62.

The square root of 7974563696 is about 89300.4126306256. The cubic root of 7974563696 is about 1997.8780574762.

The spelling of 7974563696 in words is "seven billion, nine hundred seventy-four million, five hundred sixty-three thousand, six hundred ninety-six".