7442864664 has 32 divisors (see below), whose sum is σ = 18648630000. Its totient is φ = 2475425792.

The previous prime is 7442864659. The next prime is 7442864687. The reversal of 7442864664 is 4664682447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334569 + ... + 356120.

Almost surely, 2^7442864664 is an apocalyptic number.

It is an amenable number.

7442864664 is an abundant number, since it is smaller than the sum of its proper divisors (11205765336).

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

7442864664 is a wasteful number, since it uses less digits than its factorization.

7442864664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691147 (or 691143 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 51.

The square root of 7442864664 is about 86272.0387147539. The cubic root of 7442864664 is about 1952.4505386122.

The spelling of 7442864664 in words is "seven billion, four hundred forty-two million, eight hundred sixty-four thousand, six hundred sixty-four".