719906145 has 16 divisors (see below), whose sum is σ = 1316400000. Its totient is φ = 329099904.

The previous prime is 719906119. The next prime is 719906147. The reversal of 719906145 is 541609917.

719906145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 719906145 - 2²⁰ = 718857569 is a prime.

It is a super-2 number, since 2×719906145² = 1036529715217522050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 719906097 and 719906106.

It is not an unprimeable number, because it can be changed into a prime (719906147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428020 + ... + 3428229.

It is an arithmetic number, because the mean of its divisors is an integer number (82275000).

Almost surely, 2^719906145 is an apocalyptic number.

It is an amenable number.

719906145 is a deficient number, since it is larger than the sum of its proper divisors (596493855).

719906145 is a wasteful number, since it uses less digits than its factorization.

719906145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856264.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 719906145 is about 26831.0667883333. The cubic root of 719906145 is about 896.2420029670.

The spelling of 719906145 in words is "seven hundred nineteen million, nine hundred six thousand, one hundred forty-five".