7754213328 has 20 divisors (see below), whose sum is σ = 20031717888. Its totient is φ = 2584737760.

The previous prime is 7754213323. The next prime is 7754213347. The reversal of 7754213328 is 8233124577.

It is a happy number.

It is a super-2 number, since 2×7754213328² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7754213328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7754213323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80773008 + ... + 80773103.

Almost surely, 2^7754213328 is an apocalyptic number.

It is an amenable number.

7754213328 is an abundant number, since it is smaller than the sum of its proper divisors (12277504560).

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

7754213328 is a wasteful number, since it uses less digits than its factorization.

7754213328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161546122 (or 161546116 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 7754213328 is about 88058.0111517402. The cubic root of 7754213328 is about 1979.3043612805.

The spelling of 7754213328 in words is "seven billion, seven hundred fifty-four million, two hundred thirteen thousand, three hundred twenty-eight".