3478194720 has 1152 divisors, whose sum is σ = 16907304960. Its totient is φ = 627056640.

The previous prime is 3478194683. The next prime is 3478194749. The reversal of 3478194720 is 274918743.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27387297 + ... + 27387423.

It is an arithmetic number, because the mean of its divisors is an integer number (14676480).

Almost surely, 2^3478194720 is an apocalyptic number.

3478194720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3478194720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8453652480).

3478194720 is an abundant number, since it is smaller than the sum of its proper divisors (13429110240).

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

3478194720 is a wasteful number, since it uses less digits than its factorization.

3478194720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 3478194720 is about 58976.2216490680. The cubic root of 3478194720 is about 1515.1348832624.

The spelling of 3478194720 in words is "three billion, four hundred seventy-eight million, one hundred ninety-four thousand, seven hundred twenty".