7421662746 has 96 divisors (see below), whose sum is σ = 17322439680. Its totient is φ = 2379781296.

The previous prime is 7421662669. The next prime is 7421662753. The reversal of 7421662746 is 6472661247.

7421662746 is a `hidden beast` number, since 7 + 4 + 2 + 16 + 627 + 4 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1344925 + ... + 1350431.

It is an arithmetic number, because the mean of its divisors is an integer number (180442080).

Almost surely, 2^7421662746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421662746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8661219840).

7421662746 is an abundant number, since it is smaller than the sum of its proper divisors (9900776934).

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

7421662746 is a wasteful number, since it uses less digits than its factorization.

7421662746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630 (or 5618 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 7421662746 is about 86149.0728098684. The cubic root of 7421662746 is about 1950.5948433779.

The spelling of 7421662746 in words is "seven billion, four hundred twenty-one million, six hundred sixty-two thousand, seven hundred forty-six".