719500945 has 32 divisors (see below), whose sum is σ = 929752992. Its totient is φ = 532611072.

The previous prime is 719500913. The next prime is 719500981. The reversal of 719500945 is 549005917.

719500945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 245611584 + 473889361 = 15672^2 + 21769^2 .

It is a cyclic number.

It is not a de Polignac number, because 719500945 - 2⁵ = 719500913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 719500898 and 719500907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1661449 + ... + 1661881.

It is an arithmetic number, because the mean of its divisors is an integer number (29054781).

Almost surely, 2^719500945 is an apocalyptic number.

It is an amenable number.

719500945 is a deficient number, since it is larger than the sum of its proper divisors (210252047).

719500945 is a wasteful number, since it uses less digits than its factorization.

719500945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 719500945 is about 26823.5147771503. The cubic root of 719500945 is about 896.0738211293.

The spelling of 719500945 in words is "seven hundred nineteen million, five hundred thousand, nine hundred forty-five".