745368444 has 36 divisors (see below), whose sum is σ = 1885045344. Its totient is φ = 248334912.

The previous prime is 745368443. The next prime is 745368539. The reversal of 745368444 is 444863547.

745368444 is a `hidden beast` number, since 74 + 536 + 8 + 4 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×745368444² = 1111148234621962272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745368444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745368443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99229 + ... + 106475.

Almost surely, 2^745368444 is an apocalyptic number.

It is an amenable number.

745368444 is an abundant number, since it is smaller than the sum of its proper divisors (1139676900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745368444 is a wasteful number, since it uses less digits than its factorization.

745368444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114 (or 10109 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 745368444 is about 27301.4366654944. The cubic root of 745368444 is about 906.6861898069.

The spelling of 745368444 in words is "seven hundred forty-five million, three hundred sixty-eight thousand, four hundred forty-four".