744777045 has 32 divisors (see below), whose sum is σ = 1325197440. Its totient is φ = 396869760.

The previous prime is 744777037. The next prime is 744777049. The reversal of 744777045 is 540777447.

744777045 is a `hidden beast` number, since 74 + 477 + 70 + 45 = 666.

It is not a de Polignac number, because 744777045 - 2³ = 744777037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744777049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259257 + ... + 262113.

It is an arithmetic number, because the mean of its divisors is an integer number (41412420).

Almost surely, 2^744777045 is an apocalyptic number.

It is an amenable number.

744777045 is a deficient number, since it is larger than the sum of its proper divisors (580420395).

744777045 is a wasteful number, since it uses less digits than its factorization.

744777045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 45.

The square root of 744777045 is about 27290.6036027055. The cubic root of 744777045 is about 906.4463284833.

The spelling of 744777045 in words is "seven hundred forty-four million, seven hundred seventy-seven thousand, forty-five".