1366470730 has 16 divisors (see below), whose sum is σ = 2460594024. Its totient is φ = 546377920.

The previous prime is 1366470689. The next prime is 1366470737. The reversal of 1366470730 is 370746631.

It can be written as a sum of positive squares in 4 ways, for example, as 725925249 + 640545481 = 26943^2 + 25309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1366470730.

It is not an unprimeable number, because it can be changed into a prime (1366470737) by changing a digit.

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, 2484 + ... + 52336.

Almost surely, 2^1366470730 is an apocalyptic number.

1366470730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366470730 is a deficient number, since it is larger than the sum of its proper divisors (1094123294).

1366470730 is a wasteful number, since it uses less digits than its factorization.

1366470730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52601.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 1366470730 is about 36965.8048742348. The cubic root of 1366470730 is about 1109.6860108024.

The spelling of 1366470730 in words is "one billion, three hundred sixty-six million, four hundred seventy thousand, seven hundred thirty".