1373332320 has 120 divisors (see below), whose sum is σ = 4846764384. Its totient is φ = 366218496.

The previous prime is 1373332319. The next prime is 1373332327. The reversal of 1373332320 is 232333731.

It is a happy number.

1373332320 is a `hidden beast` number, since 1 + 3 + 7 + 3 + 332 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1373332320² = 3772083322313164800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373332327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40024 + ... + 65943.

Almost surely, 2^1373332320 is an apocalyptic number.

1373332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373332320 is an abundant number, since it is smaller than the sum of its proper divisors (3473432064).

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

1373332320 is a wasteful number, since it uses less digits than its factorization.

1373332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105994 (or 105977 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 27.

The square root of 1373332320 is about 37058.4986204244. The cubic root of 1373332320 is about 1111.5403013356.

The spelling of 1373332320 in words is "one billion, three hundred seventy-three million, three hundred thirty-two thousand, three hundred twenty".