3447423744 has 144 divisors (see below), whose sum is σ = 9854369280. Its totient is φ = 1066024960.

The previous prime is 3447423737. The next prime is 3447423773. The reversal of 3447423744 is 4473247443.

It is a junction number, because it is equal to n+sod(n) for n = 3447423696 and 3447423705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925117 + ... + 928835.

It is an arithmetic number, because the mean of its divisors is an integer number (68433120).

Almost surely, 2^3447423744 is an apocalyptic number.

3447423744 is a gapful number since it is divisible by the number (34) 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 3447423744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4927184640).

3447423744 is an abundant number, since it is smaller than the sum of its proper divisors (6406945536).

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

3447423744 is a wasteful number, since it uses less digits than its factorization.

3447423744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826 (or 3812 counting only the distinct ones).

The product of its digits is 903168, while the sum is 42.

The square root of 3447423744 is about 58714.7659792662. The cubic root of 3447423744 is about 1510.6535983139.

The spelling of 3447423744 in words is "three billion, four hundred forty-seven million, four hundred twenty-three thousand, seven hundred forty-four".