1304712770 has 16 divisors (see below), whose sum is σ = 2486629368. Its totient is φ = 491185920.

The previous prime is 1304712757. The next prime is 1304712781. The reversal of 1304712770 is 772174031.

It can be written as a sum of positive squares in 4 ways, for example, as 1304148769 + 564001 = 36113^2 + 751^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837221 + ... + 3837560.

Almost surely, 2^1304712770 is an apocalyptic number.

1304712770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304712770 is a deficient number, since it is larger than the sum of its proper divisors (1181916598).

1304712770 is a wasteful number, since it uses less digits than its factorization.

1304712770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674805.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 1304712770 is about 36120.8079920702. The cubic root of 1304712770 is about 1092.7101345294.

The spelling of 1304712770 in words is "one billion, three hundred four million, seven hundred twelve thousand, seven hundred seventy".