7641145472 has 16 divisors (see below), whose sum is σ = 15222594750. Its totient is φ = 3820572672.

The previous prime is 7641145439. The next prime is 7641145481. The reversal of 7641145472 is 2745411467.

It can be written as a sum of positive squares in only one way, i.e., 7538406976 + 102738496 = 86824^2 + 10136^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×7641145472² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29848097 + ... + 29848352.

Almost surely, 2^7641145472 is an apocalyptic number.

It is an amenable number.

7641145472 is a deficient number, since it is larger than the sum of its proper divisors (7581449278).

7641145472 is an equidigital number, since it uses as much as digits as its factorization.

7641145472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59696463 (or 59696451 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 7641145472 is about 87413.6457997263. The cubic root of 7641145472 is about 1969.6368275875.

The spelling of 7641145472 in words is "seven billion, six hundred forty-one million, one hundred forty-five thousand, four hundred seventy-two".