7478343936 has 216 divisors, whose sum is σ = 25147740800. Its totient is φ = 2136443904.

The previous prime is 7478343919. The next prime is 7478343959. The reversal of 7478343936 is 6393438747.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785541 + ... + 795003.

Almost surely, 2^7478343936 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 7478343936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12573870400).

7478343936 is an abundant number, since it is smaller than the sum of its proper divisors (17669396864).

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

7478343936 is an equidigital number, since it uses as much as digits as its factorization.

7478343936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9506 (or 9475 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The square root of 7478343936 is about 86477.4186478759. The cubic root of 7478343936 is about 1955.5479904513.

The spelling of 7478343936 in words is "seven billion, four hundred seventy-eight million, three hundred forty-three thousand, nine hundred thirty-six".