1372740673 has 4 divisors (see below), whose sum is σ = 1373354928. Its totient is φ = 1372126420.

The previous prime is 1372740661. The next prime is 1372740679. The reversal of 1372740673 is 3760472731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372740673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372740679) 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 3 ways as a sum of consecutive naturals, for example, 303763 + ... + 308248.

It is an arithmetic number, because the mean of its divisors is an integer number (343338732).

Almost surely, 2^1372740673 is an apocalyptic number.

It is an amenable number.

1372740673 is a deficient number, since it is larger than the sum of its proper divisors (614255).

1372740673 is an equidigital number, since it uses as much as digits as its factorization.

1372740673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614254.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 1372740673 is about 37050.5151516143. The cubic root of 1372740673 is about 1111.3806570559.

The spelling of 1372740673 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, six hundred seventy-three".