7546064321 has 4 divisors (see below), whose sum is σ = 7557277572. Its totient is φ = 7534851072.

The previous prime is 7546064297. The next prime is 7546064327. The reversal of 7546064321 is 1234606457.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2156302096 + 5389762225 = 46436^2 + 73415^2 .

It is a cyclic number.

It is not a de Polignac number, because 7546064321 - 2¹⁰ = 7546063297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7546064327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605616 + ... + 5606961.

It is an arithmetic number, because the mean of its divisors is an integer number (1889319393).

Almost surely, 2^7546064321 is an apocalyptic number.

It is an amenable number.

7546064321 is a deficient number, since it is larger than the sum of its proper divisors (11213251).

7546064321 is a wasteful number, since it uses less digits than its factorization.

7546064321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213250.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 7546064321 is about 86868.0857449961. The cubic root of 7546064321 is about 1961.4331044167.

The spelling of 7546064321 in words is "seven billion, five hundred forty-six million, sixty-four thousand, three hundred twenty-one".