745747319 has 16 divisors (see below), whose sum is σ = 778419936. Its totient is φ = 713856000.

The previous prime is 745747291. The next prime is 745747357. The reversal of 745747319 is 913747547.

It is a cyclic number.

It is not a de Polignac number, because 745747319 - 2⁸ = 745747063 is a prime.

It is a super-2 number, since 2×745747319² = 1112278127591375522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745747019) 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, 1101209 + ... + 1101885.

It is an arithmetic number, because the mean of its divisors is an integer number (48651246).

Almost surely, 2^745747319 is an apocalyptic number.

745747319 is a deficient number, since it is larger than the sum of its proper divisors (32672617).

745747319 is a wasteful number, since it uses less digits than its factorization.

745747319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its digits is 740880, while the sum is 47.

The square root of 745747319 is about 27308.3745213808. The cubic root of 745747319 is about 906.8397883594.

The spelling of 745747319 in words is "seven hundred forty-five million, seven hundred forty-seven thousand, three hundred nineteen".