745910894 has 4 divisors (see below), whose sum is σ = 1118866344. Its totient is φ = 372955446.

The previous prime is 745910831. The next prime is 745910899. The reversal of 745910894 is 498019547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498019547 = 7057 ⋅70571.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745910899) 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 as a sum of consecutive naturals, namely, 186477722 + ... + 186477725.

It is an arithmetic number, because the mean of its divisors is an integer number (279716586).

Almost surely, 2^745910894 is an apocalyptic number.

745910894 is a deficient number, since it is larger than the sum of its proper divisors (372955450).

745910894 is a wasteful number, since it uses less digits than its factorization.

745910894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372955449.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 745910894 is about 27311.3693175571. The cubic root of 745910894 is about 906.9060867200.

The spelling of 745910894 in words is "seven hundred forty-five million, nine hundred ten thousand, eight hundred ninety-four".