728376376 has 96 divisors (see below), whose sum is σ = 1757579040. Its totient is φ = 280288512.

The previous prime is 728376367. The next prime is 728376379. The reversal of 728376376 is 673673827.

It is a super-2 number, since 2×728376376² = 1061064290229786752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728376379) 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 23 ways as a sum of consecutive naturals, for example, 186621 + ... + 190483.

It is an arithmetic number, because the mean of its divisors is an integer number (18308115).

Almost surely, 2^728376376 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 728376376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878789520).

728376376 is an abundant number, since it is smaller than the sum of its proper divisors (1029202664).

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

728376376 is a wasteful number, since it uses less digits than its factorization.

728376376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3922 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 49.

The square root of 728376376 is about 26988.4489365358. The cubic root of 728376376 is about 899.7432913946.

The spelling of 728376376 in words is "seven hundred twenty-eight million, three hundred seventy-six thousand, three hundred seventy-six".