1326774628 has 6 divisors (see below), whose sum is σ = 2321855606. Its totient is φ = 663387312.

The previous prime is 1326774623. The next prime is 1326774661. The reversal of 1326774628 is 8264776231.

It can be written as a sum of positive squares in only one way, i.e., 911919204 + 414855424 = 30198^2 + 20368^2 .

It is not an unprimeable number, because it can be changed into a prime (1326774623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165846825 + ... + 165846832.

Almost surely, 2^1326774628 is an apocalyptic number.

It is an amenable number.

1326774628 is a deficient number, since it is larger than the sum of its proper divisors (995080978).

1326774628 is a wasteful number, since it uses less digits than its factorization.

1326774628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331693661 (or 331693659 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 1326774628 is about 36424.9176800717. The cubic root of 1326774628 is about 1098.8347517440.

The spelling of 1326774628 in words is "one billion, three hundred twenty-six million, seven hundred seventy-four thousand, six hundred twenty-eight".