7342337421 has 20 divisors (see below), whose sum is σ = 11346399900. Its totient is φ = 4726100736.

The previous prime is 7342337389. The next prime is 7342337459. The reversal of 7342337421 is 1247332437.

It can be written as a sum of positive squares in 2 ways, for example, as 5459732100 + 1882605321 = 73890^2 + 43389^2 .

It is not a de Polignac number, because 7342337421 - 2⁵ = 7342337389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7342337491) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1560516 + ... + 1565213.

It is an arithmetic number, because the mean of its divisors is an integer number (567319995).

Almost surely, 2^7342337421 is an apocalyptic number.

It is an amenable number.

7342337421 is a deficient number, since it is larger than the sum of its proper divisors (4004062479).

7342337421 is a wasteful number, since it uses less digits than its factorization.

7342337421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125770 (or 3125761 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 7342337421 is about 85687.4402756903. The cubic root of 7342337421 is about 1943.6203891258.

Adding to 7342337421 its reverse (1247332437), we get a palindrome (8589669858).

The spelling of 7342337421 in words is "seven billion, three hundred forty-two million, three hundred thirty-seven thousand, four hundred twenty-one".