7425697680 has 200 divisors, whose sum is σ = 25917549504. Its totient is φ = 1970438400.

The previous prime is 7425697679. The next prime is 7425697681. The reversal of 7425697680 is 867965247.

7425697680 is a `hidden beast` number, since 7 + 4 + 2 + 569 + 76 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (7425697679) and next prime (7425697681).

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

It is not an unprimeable number, because it can be changed into a prime (7425697681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1364565 + ... + 1369995.

Almost surely, 2^7425697680 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 7425697680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12958774752).

7425697680 is an abundant number, since it is smaller than the sum of its proper divisors (18491851824).

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

7425697680 is a wasteful number, since it uses less digits than its factorization.

7425697680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667 (or 5652 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 7425697680 is about 86172.4879529424. The cubic root of 7425697680 is about 1950.9482725142.

The spelling of 7425697680 in words is "seven billion, four hundred twenty-five million, six hundred ninety-seven thousand, six hundred eighty".