7479994368 has 384 divisors, whose sum is σ = 25272898560. Its totient is φ = 1911029760.

The previous prime is 7479994321. The next prime is 7479994387. The reversal of 7479994368 is 8634999747.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 7479994299 and 7479994308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45889455 + ... + 45889617.

It is an arithmetic number, because the mean of its divisors is an integer number (65814840).

Almost surely, 2^7479994368 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 7479994368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12636449280).

7479994368 is an abundant number, since it is smaller than the sum of its proper divisors (17792904192).

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

7479994368 is a wasteful number, since it uses less digits than its factorization.

7479994368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 283 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 66.

The square root of 7479994368 is about 86486.9606819433. The cubic root of 7479994368 is about 1955.6918396603.

The spelling of 7479994368 in words is "seven billion, four hundred seventy-nine million, nine hundred ninety-four thousand, three hundred sixty-eight".