3478774720 has 56 divisors (see below), whose sum is σ = 8325612000. Its totient is φ = 1384492032.

The previous prime is 3478774711. The next prime is 3478774723. The reversal of 3478774720 is 274778743.

It is a super-2 number, since 2×3478774720² = 24203747105022156800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478774723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36366 + ... + 90994.

Almost surely, 2^3478774720 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 3478774720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4162806000).

3478774720 is an abundant number, since it is smaller than the sum of its proper divisors (4846837280).

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

3478774720 is a wasteful number, since it uses less digits than its factorization.

3478774720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54845 (or 54835 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 49.

The square root of 3478774720 is about 58981.1386800899. The cubic root of 3478774720 is about 1515.2190964306.

The spelling of 3478774720 in words is "three billion, four hundred seventy-eight million, seven hundred seventy-four thousand, seven hundred twenty".