745894641 has 16 divisors (see below), whose sum is σ = 1034348480. Its totient is φ = 477731520.

The previous prime is 745894631. The next prime is 745894651. The reversal of 745894641 is 146498547.

It is an interprime number because it is at equal distance from previous prime (745894631) and next prime (745894651).

It is not a de Polignac number, because 745894641 - 2¹¹ = 745892593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745894621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39526 + ... + 55263.

It is an arithmetic number, because the mean of its divisors is an integer number (64646780).

Almost surely, 2^745894641 is an apocalyptic number.

It is an amenable number.

745894641 is a deficient number, since it is larger than the sum of its proper divisors (288453839).

745894641 is a wasteful number, since it uses less digits than its factorization.

745894641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94896.

The product of its digits is 967680, while the sum is 48.

The square root of 745894641 is about 27311.0717658608. The cubic root of 745894641 is about 906.8994996724.

The spelling of 745894641 in words is "seven hundred forty-five million, eight hundred ninety-four thousand, six hundred forty-one".