3454758720 has 252 divisors, whose sum is σ = 13823565444. Its totient is φ = 789626880.

The previous prime is 3454758701. The next prime is 3454758773. The reversal of 3454758720 is 278574543.

3454758720 is a `hidden beast` number, since 3 + 4 + 5 + 47 + 587 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 455224896 + 2999533824 = 21336^2 + 54768^2 .

It is a tau number, because it is divible by the number of its divisors (252).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 128880 + ... + 153360.

Almost surely, 2^3454758720 is an apocalyptic number.

3454758720 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 3454758720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6911782722).

3454758720 is an abundant number, since it is smaller than the sum of its proper divisors (10368806724).

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

3454758720 is a wasteful number, since it uses less digits than its factorization.

3454758720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24518 (or 24498 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 3454758720 is about 58777.1955778770. The cubic root of 3454758720 is about 1511.7242295413.

The spelling of 3454758720 in words is "three billion, four hundred fifty-four million, seven hundred fifty-eight thousand, seven hundred twenty".