745493719 has 8 divisors (see below), whose sum is σ = 748173440. Its totient is φ = 742819896.

The previous prime is 745493713. The next prime is 745493729. The reversal of 745493719 is 917394547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745493719 - 2¹¹ = 745491671 is a prime.

It is a super-2 number, since 2×745493719² = 1111521770136901922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745493713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501952 + ... + 503434.

It is an arithmetic number, because the mean of its divisors is an integer number (93521680).

Almost surely, 2^745493719 is an apocalyptic number.

745493719 is a deficient number, since it is larger than the sum of its proper divisors (2679721).

745493719 is a wasteful number, since it uses less digits than its factorization.

745493719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949.

The product of its digits is 952560, while the sum is 49.

The square root of 745493719 is about 27303.7308622833. The cubic root of 745493719 is about 906.7369829194.

The spelling of 745493719 in words is "seven hundred forty-five million, four hundred ninety-three thousand, seven hundred nineteen".