7074155664 has 135 divisors (see below), whose sum is σ = 20394044307. Its totient is φ = 2289083328.

The previous prime is 7074155657. The next prime is 7074155681. The reversal of 7074155664 is 4665514707.

The square root of 7074155664 is 84108.

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

7074155664 is a `hidden beast` number, since 7 + 0 + 74 + 15 + 566 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 43399647 + ... + 43399809.

Almost surely, 2^7074155664 is an apocalyptic number.

7074155664 is the 84108-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7074155664

7074155664 is an abundant number, since it is smaller than the sum of its proper divisors (13319888643).

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

7074155664 is a wasteful number, since it uses less digits than its factorization.

7074155664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The cubic root of 7074155664 is about 1919.6624536819.

The spelling of 7074155664 in words is "seven billion, seventy-four million, one hundred fifty-five thousand, six hundred sixty-four".