1373267664 has 30 divisors (see below), whose sum is σ = 3843242546. Its totient is φ = 457755840.

The previous prime is 1373267663. The next prime is 1373267669. The reversal of 1373267664 is 4667623731.

It can be written as a sum of positive squares in only one way, i.e., 1077152400 + 296115264 = 32820^2 + 17208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373267663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4768147 + ... + 4768434.

Almost surely, 2^1373267664 is an apocalyptic number.

It is an amenable number.

1373267664 is an abundant number, since it is smaller than the sum of its proper divisors (2469974882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373267664 is a wasteful number, since it uses less digits than its factorization.

1373267664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536595 (or 9536586 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 1373267664 is about 37057.6262596513. The cubic root of 1373267664 is about 1111.5228574204.

The spelling of 1373267664 in words is "one billion, three hundred seventy-three million, two hundred sixty-seven thousand, six hundred sixty-four".