1377733472 has 48 divisors (see below), whose sum is σ = 2859721200. Its totient is φ = 651571200.

The previous prime is 1377733457. The next prime is 1377733477. The reversal of 1377733472 is 2743377731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377733477) 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 in 7 ways as a sum of consecutive naturals, for example, 490472 + ... + 493272.

It is an arithmetic number, because the mean of its divisors is an integer number (59577525).

Almost surely, 2^1377733472 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 1377733472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429860600).

1377733472 is an abundant number, since it is smaller than the sum of its proper divisors (1481987728).

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

1377733472 is a wasteful number, since it uses less digits than its factorization.

1377733472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639 (or 3631 counting only the distinct ones).

The product of its digits is 518616, while the sum is 44.

The square root of 1377733472 is about 37117.8322642904. The cubic root of 1377733472 is about 1112.7264287169.

The spelling of 1377733472 in words is "one billion, three hundred seventy-seven million, seven hundred thirty-three thousand, four hundred seventy-two".