745049349 has 24 divisors (see below), whose sum is σ = 1187222400. Its totient is φ = 446466240.

The previous prime is 745049317. The next prime is 745049369. The reversal of 745049349 is 943940547.

It is a happy number.

745049349 is a `hidden beast` number, since 74 + 50 + 493 + 49 = 666.

It is not a de Polignac number, because 745049349 - 2⁵ = 745049317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745049369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33469 + ... + 51090.

It is an arithmetic number, because the mean of its divisors is an integer number (49467600).

Almost surely, 2^745049349 is an apocalyptic number.

It is an amenable number.

745049349 is a deficient number, since it is larger than the sum of its proper divisors (442173051).

745049349 is a wasteful number, since it uses less digits than its factorization.

745049349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84665 (or 84662 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 745049349 is about 27295.5921166770. The cubic root of 745049349 is about 906.5567860970.

The spelling of 745049349 in words is "seven hundred forty-five million, forty-nine thousand, three hundred forty-nine".