7641511264 has 12 divisors (see below), whose sum is σ = 15044225364. Its totient is φ = 3820755616.

The previous prime is 7641511259. The next prime is 7641511279. The reversal of 7641511264 is 4621151467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119398582 + ... + 119398645.

It is an arithmetic number, because the mean of its divisors is an integer number (1253685447).

Almost surely, 2^7641511264 is an apocalyptic number.

It is an amenable number.

7641511264 is a deficient number, since it is larger than the sum of its proper divisors (7402714100).

7641511264 is a wasteful number, since it uses less digits than its factorization.

7641511264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238797237 (or 238797229 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 7641511264 is about 87415.7380795930. The cubic root of 7641511264 is about 1969.6682568150.

The spelling of 7641511264 in words is "seven billion, six hundred forty-one million, five hundred eleven thousand, two hundred sixty-four".