7421662760 has 64 divisors (see below), whose sum is σ = 17166416400. Its totient is φ = 2885677056.

The previous prime is 7421662753. The next prime is 7421662771. The reversal of 7421662760 is 672661247.

It can be written as a sum of positive squares in 8 ways, for example, as 2429109796 + 4992552964 = 49286^2 + 70658^2 .

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 15 ways as a sum of consecutive naturals, for example, 2296826 + ... + 2300054.

Almost surely, 2^7421662760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421662760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8583208200).

7421662760 is an abundant number, since it is smaller than the sum of its proper divisors (9744753640).

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

7421662760 is a wasteful number, since it uses less digits than its factorization.

7421662760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4826 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 7421662760 is about 86149.0728911229. The cubic root of 7421662760 is about 1950.5948446044.

The spelling of 7421662760 in words is "seven billion, four hundred twenty-one million, six hundred sixty-two thousand, seven hundred sixty".