1326736670 has 16 divisors (see below), whose sum is σ = 2729287008. Its totient is φ = 454881120.

The previous prime is 1326736643. The next prime is 1326736673. The reversal of 1326736670 is 766376231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326736673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9476621 + ... + 9476760.

It is an arithmetic number, because the mean of its divisors is an integer number (170580438).

Almost surely, 2^1326736670 is an apocalyptic number.

1326736670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326736670 is an abundant number, since it is smaller than the sum of its proper divisors (1402550338).

1326736670 is a wasteful number, since it uses less digits than its factorization.

1326736670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18953395.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 1326736670 is about 36424.3966319279. The cubic root of 1326736670 is about 1098.8242727055.

The spelling of 1326736670 in words is "one billion, three hundred twenty-six million, seven hundred thirty-six thousand, six hundred seventy".