719490825 has 36 divisors (see below), whose sum is σ = 1291226508. Its totient is φ = 382972800.

The previous prime is 719490787. The next prime is 719490829. The reversal of 719490825 is 528094917.

It can be written as a sum of positive squares in 6 ways, for example, as 101123136 + 618367689 = 10056^2 + 24867^2 .

It is not a de Polignac number, because 719490825 - 2¹⁵ = 719458057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (719490829) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122455 + ... + 128195.

It is an arithmetic number, because the mean of its divisors is an integer number (35867403).

Almost surely, 2^719490825 is an apocalyptic number.

719490825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

719490825 is a deficient number, since it is larger than the sum of its proper divisors (571735683).

719490825 is a wasteful number, since it uses less digits than its factorization.

719490825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 719490825 is about 26823.3261360332. The cubic root of 719490825 is about 896.0696199258.

The spelling of 719490825 in words is "seven hundred nineteen million, four hundred ninety thousand, eight hundred twenty-five".