717028379 has 4 divisors (see below), whose sum is σ = 721840800. Its totient is φ = 712215960.

The previous prime is 717028373. The next prime is 717028421. The reversal of 717028379 is 973820717.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 717028379 - 2¹⁶ = 716962843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717028373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405987 + ... + 2406284.

It is an arithmetic number, because the mean of its divisors is an integer number (180460200).

Almost surely, 2^717028379 is an apocalyptic number.

717028379 is a deficient number, since it is larger than the sum of its proper divisors (4812421).

717028379 is a wasteful number, since it uses less digits than its factorization.

717028379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812420.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 717028379 is about 26777.3855893364. The cubic root of 717028379 is about 895.0461900987.

The spelling of 717028379 in words is "seven hundred seventeen million, twenty-eight thousand, three hundred seventy-nine".