728023696 has 10 divisors (see below), whose sum is σ = 1410545942. Its totient is φ = 364011840.

The previous prime is 728023693. The next prime is 728023711. The reversal of 728023696 is 696320827.

It can be written as a sum of positive squares in only one way, i.e., 656384400 + 71639296 = 25620^2 + 8464^2 .

It is not an unprimeable number, because it can be changed into a prime (728023693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22750725 + ... + 22750756.

Almost surely, 2^728023696 is an apocalyptic number.

It is an amenable number.

728023696 is a deficient number, since it is larger than the sum of its proper divisors (682522246).

728023696 is a wasteful number, since it uses less digits than its factorization.

728023696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45501489 (or 45501483 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 728023696 is about 26981.9142389861. The cubic root of 728023696 is about 899.5980493174.

It can be divided in two parts, 7280 and 23696, that added together give a square (30976 = 176²).

The spelling of 728023696 in words is "seven hundred twenty-eight million, twenty-three thousand, six hundred ninety-six".