745963193 has 4 divisors (see below), whose sum is σ = 757097040. Its totient is φ = 734829348.

The previous prime is 745963189. The next prime is 745963217. The reversal of 745963193 is 391369547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391369547 = 631 ⋅620237.

It is a cyclic number.

It is not a de Polignac number, because 745963193 - 2² = 745963189 is a prime.

It is a super-2 number, since 2×745963193² = 1112922170621510498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745968193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566823 + ... + 5566956.

It is an arithmetic number, because the mean of its divisors is an integer number (189274260).

Almost surely, 2^745963193 is an apocalyptic number.

It is an amenable number.

745963193 is a deficient number, since it is larger than the sum of its proper divisors (11133847).

745963193 is a wasteful number, since it uses less digits than its factorization.

745963193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133846.

The product of its digits is 612360, while the sum is 47.

The square root of 745963193 is about 27312.3267591760. The cubic root of 745963193 is about 906.9272819116.

The spelling of 745963193 in words is "seven hundred forty-five million, nine hundred sixty-three thousand, one hundred ninety-three".