7478407662 has 96 divisors (see below), whose sum is σ = 16981440000. Its totient is φ = 2192287680.

The previous prime is 7478407637. The next prime is 7478407663. The reversal of 7478407662 is 2667048747.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478407663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5344839 + ... + 5346237.

It is an arithmetic number, because the mean of its divisors is an integer number (176890000).

Almost surely, 2^7478407662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7478407662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8490720000).

7478407662 is an abundant number, since it is smaller than the sum of its proper divisors (9503032338).

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

7478407662 is a wasteful number, since it uses less digits than its factorization.

7478407662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The square root of 7478407662 is about 86477.7871016598. The cubic root of 7478407662 is about 1955.5535451079.

The spelling of 7478407662 in words is "seven billion, four hundred seventy-eight million, four hundred seven thousand, six hundred sixty-two".