7346542561 has 16 divisors (see below), whose sum is σ = 7559088768. Its totient is φ = 7136035200.

The previous prime is 7346542559. The next prime is 7346542607. The reversal of 7346542561 is 1652456437.

It is a cyclic number.

It is not a de Polignac number, because 7346542561 - 2¹ = 7346542559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7346542531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9653421 + ... + 9654181.

It is an arithmetic number, because the mean of its divisors is an integer number (472443048).

Almost surely, 2^7346542561 is an apocalyptic number.

It is an amenable number.

7346542561 is a deficient number, since it is larger than the sum of its proper divisors (212546207).

7346542561 is a wasteful number, since it uses less digits than its factorization.

7346542561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its digits is 604800, while the sum is 43.

The square root of 7346542561 is about 85711.9744318144. The cubic root of 7346542561 is about 1943.9913716227.

Adding to 7346542561 its reverse (1652456437), we get a palindrome (8998998998).

The spelling of 7346542561 in words is "seven billion, three hundred forty-six million, five hundred forty-two thousand, five hundred sixty-one".