1373387072 has 14 divisors (see below), whose sum is σ = 2725315098. Its totient is φ = 686693504.

The previous prime is 1373387069. The next prime is 1373387077. The reversal of 1373387072 is 2707833731.

It can be written as a sum of positive squares in only one way, i.e., 1249198336 + 124188736 = 35344^2 + 11144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373387077) 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 as a sum of consecutive naturals, namely, 10729523 + ... + 10729650.

Almost surely, 2^1373387072 is an apocalyptic number.

It is an amenable number.

1373387072 is a deficient number, since it is larger than the sum of its proper divisors (1351928026).

1373387072 is an equidigital number, since it uses as much as digits as its factorization.

1373387072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459185 (or 21459175 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 1373387072 is about 37059.2373369987. The cubic root of 1373387072 is about 1111.5550727654. Note that the first 3 decimals are identical.

The spelling of 1373387072 in words is "one billion, three hundred seventy-three million, three hundred eighty-seven thousand, seventy-two".