7622028864 has 42 divisors (see below), whose sum is σ = 21847171190. Its totient is φ = 2540676096.

The previous prime is 7622028853. The next prime is 7622028871. The reversal of 7622028864 is 4688202267.

It can be written as a sum of positive squares in only one way, i.e., 5393433600 + 2228595264 = 73440^2 + 47208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6615769 + ... + 6616920.

Almost surely, 2^7622028864 is an apocalyptic number.

It is an amenable number.

7622028864 is an abundant number, since it is smaller than the sum of its proper divisors (14225142326).

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

7622028864 is a wasteful number, since it uses less digits than its factorization.

7622028864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13232707 (or 13232694 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 7622028864 is about 87304.2316500180. The cubic root of 7622028864 is about 1967.9929109402.

The spelling of 7622028864 in words is "seven billion, six hundred twenty-two million, twenty-eight thousand, eight hundred sixty-four".