1372273643 has 8 divisors (see below), whose sum is σ = 1564764768. Its totient is φ = 1192201344.

The previous prime is 1372273631. The next prime is 1372273657. The reversal of 1372273643 is 3463722731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1372273643 - 2⁴ = 1372273627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372273597 and 1372273606.

It is not an unprimeable number, because it can be changed into a prime (1372273603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3104471 + ... + 3104912.

It is an arithmetic number, because the mean of its divisors is an integer number (195595596).

Almost surely, 2^1372273643 is an apocalyptic number.

1372273643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1372273643 is a deficient number, since it is larger than the sum of its proper divisors (192491125).

1372273643 is a wasteful number, since it uses less digits than its factorization.

1372273643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209413.

The product of its digits is 127008, while the sum is 38.

The square root of 1372273643 is about 37044.2120040365. The cubic root of 1372273643 is about 1111.2546058183.

The spelling of 1372273643 in words is "one billion, three hundred seventy-two million, two hundred seventy-three thousand, six hundred forty-three".