1072734379 has 2 divisors, whose sum is σ = 1072734380. Its totient is φ = 1072734378.

The previous prime is 1072734361. The next prime is 1072734409. The reversal of 1072734379 is 9734372701.

It is a weak prime.

It is an emirp because it is prime and its reverse (9734372701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1072734379 - 2⁵ = 1072734347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1072734479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536367189 + 536367190.

It is an arithmetic number, because the mean of its divisors is an integer number (536367190).

Almost surely, 2^1072734379 is an apocalyptic number.

1072734379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072734379 is an equidigital number, since it uses as much as digits as its factorization.

1072734379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 1072734379 is about 32752.6240017498. The cubic root of 1072734379 is about 1023.6796416458.

The spelling of 1072734379 in words is "one billion, seventy-two million, seven hundred thirty-four thousand, three hundred seventy-nine".