1465303728 has 80 divisors (see below), whose sum is σ = 4370831360. Its totient is φ = 414332928.

The previous prime is 1465303727. The next prime is 1465303739. The reversal of 1465303728 is 8273035641.

It is not an unprimeable number, because it can be changed into a prime (1465303727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10113 + ... + 55071.

It is an arithmetic number, because the mean of its divisors is an integer number (54635392).

Almost surely, 2^1465303728 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 1465303728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2185415680).

1465303728 is an abundant number, since it is smaller than the sum of its proper divisors (2905527632).

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

1465303728 is a wasteful number, since it uses less digits than its factorization.

1465303728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45074 (or 45068 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1465303728 is about 38279.2858867560. The cubic root of 1465303728 is about 1135.8192324613.

The spelling of 1465303728 in words is "one billion, four hundred sixty-five million, three hundred three thousand, seven hundred twenty-eight".