719728125 has 24 divisors (see below), whose sum is σ = 1199485728. Its totient is φ = 383850000.

The previous prime is 719728091. The next prime is 719728129. The reversal of 719728125 is 521827917.

It is not a de Polignac number, because 719728125 - 2¹⁰ = 719727101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719728129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29011 + ... + 47760.

It is an arithmetic number, because the mean of its divisors is an integer number (49978572).

Almost surely, 2^719728125 is an apocalyptic number.

719728125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

719728125 is a deficient number, since it is larger than the sum of its proper divisors (479757603).

719728125 is an frugal number, since it uses more digits than its factorization.

719728125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76799 (or 76779 counting only the distinct ones).

The product of its digits is 70560, while the sum is 42.

The square root of 719728125 is about 26827.7491601513. The cubic root of 719728125 is about 896.1681219686.

The spelling of 719728125 in words is "seven hundred nineteen million, seven hundred twenty-eight thousand, one hundred twenty-five".