1373437944 has 96 divisors (see below), whose sum is σ = 3888568320. Its totient is φ = 454126176.

The previous prime is 1373437913. The next prime is 1373437963. The reversal of 1373437944 is 4497343731.

It is a self number, because there is not a number n which added to its sum of digits gives 1373437944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244107 + ... + 249669.

It is an arithmetic number, because the mean of its divisors is an integer number (40505920).

Almost surely, 2^1373437944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373437944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944284160).

1373437944 is an abundant number, since it is smaller than the sum of its proper divisors (2515130376).

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

1373437944 is a wasteful number, since it uses less digits than its factorization.

1373437944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711 (or 5695 counting only the distinct ones).

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

The square root of 1373437944 is about 37059.9236912328. The cubic root of 1373437944 is about 1111.5687970661.

The spelling of 1373437944 in words is "one billion, three hundred seventy-three million, four hundred thirty-seven thousand, nine hundred forty-four".