7430145664 has 32 divisors (see below), whose sum is σ = 15672968100. Its totient is φ = 3496538112.

The previous prime is 7430145659. The next prime is 7430145673. The reversal of 7430145664 is 4665410347.

It can be written as a sum of positive squares in 2 ways, for example, as 7394624064 + 35521600 = 85992^2 + 5960^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705119 + ... + 1709470.

Almost surely, 2^7430145664 is an apocalyptic number.

It is an amenable number.

7430145664 is an abundant number, since it is smaller than the sum of its proper divisors (8242822436).

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

7430145664 is a wasteful number, since it uses less digits than its factorization.

7430145664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414620 (or 3414608 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 7430145664 is about 86198.2926977095. The cubic root of 7430145664 is about 1951.3377333204.

The spelling of 7430145664 in words is "seven billion, four hundred thirty million, one hundred forty-five thousand, six hundred sixty-four".