7345421541 has 24 divisors (see below), whose sum is σ = 10661807520. Its totient is φ = 4873124256.

The previous prime is 7345421539. The next prime is 7345421569. The reversal of 7345421541 is 1451245437.

7345421541 is a `hidden beast` number, since 73 + 4 + 5 + 42 + 1 + 541 = 666.

It is not a de Polignac number, because 7345421541 - 2¹ = 7345421539 is a prime.

It is a super-2 number, since 2×7345421541² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7345421496 and 7345421505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7345421521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1668355 + ... + 1672751.

It is an arithmetic number, because the mean of its divisors is an integer number (444241980).

Almost surely, 2^7345421541 is an apocalyptic number.

It is an amenable number.

7345421541 is a deficient number, since it is larger than the sum of its proper divisors (3316385979).

7345421541 is a wasteful number, since it uses less digits than its factorization.

7345421541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5262 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 7345421541 is about 85705.4347226592. The cubic root of 7345421541 is about 1943.8924877353.

Adding to 7345421541 its reverse (1451245437), we get a palindrome (8796666978).

The spelling of 7345421541 in words is "seven billion, three hundred forty-five million, four hundred twenty-one thousand, five hundred forty-one".