1373366736 has 120 divisors (see below), whose sum is σ = 4401843264. Its totient is φ = 391564800.

The previous prime is 1373366719. The next prime is 1373366741. The reversal of 1373366736 is 6376633731.

It is a super-4 number, since 4×1373366736⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1373366691 and 1373366700.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 604675 + ... + 606941.

Almost surely, 2^1373366736 is an apocalyptic number.

1373366736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373366736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200921632).

1373366736 is an abundant number, since it is smaller than the sum of its proper divisors (3028476528).

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

1373366736 is a wasteful number, since it uses less digits than its factorization.

1373366736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 2880 counting only the distinct ones).

The product of its digits is 857304, while the sum is 45.

The square root of 1373366736 is about 37058.9629644436. The cubic root of 1373366736 is about 1111.5495864035.

The spelling of 1373366736 in words is "one billion, three hundred seventy-three million, three hundred sixty-six thousand, seven hundred thirty-six".