7421357346 has 64 divisors (see below), whose sum is σ = 16609017600. Its totient is φ = 2194972416.

The previous prime is 7421357311. The next prime is 7421357351. The reversal of 7421357346 is 6437531247.

It is a junction number, because it is equal to n+sod(n) for n = 7421357298 and 7421357307.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 510835 + ... + 525161.

It is an arithmetic number, because the mean of its divisors is an integer number (259515900).

Almost surely, 2^7421357346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421357346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8304508800).

7421357346 is an abundant number, since it is smaller than the sum of its proper divisors (9187660254).

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

7421357346 is a wasteful number, since it uses less digits than its factorization.

7421357346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14603.

The product of its digits is 423360, while the sum is 42.

The square root of 7421357346 is about 86147.3002827134. The cubic root of 7421357346 is about 1950.5680874762.

The spelling of 7421357346 in words is "seven billion, four hundred twenty-one million, three hundred fifty-seven thousand, three hundred forty-six".