7674734564 has 18 divisors (see below), whose sum is σ = 15623567190. Its totient is φ = 3289171872.

The previous prime is 7674734549. The next prime is 7674734569. The reversal of 7674734564 is 4654374767.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7329072100 + 345662464 = 85610^2 + 18592^2 .

It is not an unprimeable number, because it can be changed into a prime (7674734569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19578209 + ... + 19578600.

It is an arithmetic number, because the mean of its divisors is an integer number (867975955).

Almost surely, 2^7674734564 is an apocalyptic number.

It is an amenable number.

7674734564 is an abundant number, since it is smaller than the sum of its proper divisors (7948832626).

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

7674734564 is a wasteful number, since it uses less digits than its factorization.

7674734564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39156827 (or 39156818 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 53.

The square root of 7674734564 is about 87605.5624033086. The cubic root of 7674734564 is about 1972.5186646502.

The spelling of 7674734564 in words is "seven billion, six hundred seventy-four million, seven hundred thirty-four thousand, five hundred sixty-four".