3678409454724 has 81 divisors (see below), whose sum is σ = 9656149874007. Its totient is φ = 1226032917336.

The previous prime is 3678409454719. The next prime is 3678409454743. The reversal of 3678409454724 is 4274549048763.

The square root of 3678409454724 is 1917918.

It is a perfect power (a square), and thus also a powerful number.

3678409454724 is a `hidden beast` number, since 3 + 6 + 7 + 84 + 0 + 9 + 4 + 547 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is a super-2 number, since 2×3678409454724² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 310696797 + ... + 310708635.

Almost surely, 2^{3678409454724} is an apocalyptic number.

3678409454724 is the 1917918-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3678409454724

3678409454724 is an abundant number, since it is smaller than the sum of its proper divisors (5977740419283).

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

3678409454724 is an frugal number, since it uses more digits than its factorization.

3678409454724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23706 (or 11844 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 3678409454724 in words is "three trillion, six hundred seventy-eight billion, four hundred nine million, four hundred fifty-four thousand, seven hundred twenty-four".